Registration in fiscal year 2020

  [ Essential historical materials for science and technology ]

Registration Number	Name (Model, etc.)	Registration Category	Location / Year Manufactured
Number 286	【The world’s first low-pressure high-density polyethylene manufacturing equipment】 (1) Low-pressure HDPE polymerization vessel (2) Raw material feed pump of an ethylene plant (3) Powered piston from the No. 2 compressor at an ethylene plant - The world’s first low-pressure polyethylene manufacturing equipment - PDF file download	Category 2	Kuga-gun Waki-cho, Yamaguchi (1) 1958 (2) 1958 (3) 1962
Number 287	The ultra-thin air conditioner Kirigamine MS-22RJ - Thin and space-saving - PDF file download	Category 1	Shizuoka-shi, Shizuoka 1975
Number 288	TOPCON RE SUPER - The first single-lens reflex camera to have a built-in TTL open aperture exposure meter - PDF file download	Category 1	Chiyoda-ku, Tokyo 1963
Number 289	Olympus OM-1 - The innovative camera system design that led to the miniaturization of the single-lens reflex camera - PDF file download	Category 1	Hachioji-shi, Tokyo Unknown (Year first appeared　1972)
Number 290	MINOLTA 7000 - The trailblazing single-lens reflex camera with fully-fledged autofocus - PDF file download	Category 1	Hachioji-shi, Tokyo 1985
Number 291	DONCAMATIC DA-20 - The first rhythm box on the Japanese market - PDF file download	Category 1	Hamamatsu-shi, Shizuoka 1963
Number 292	Casiotone 201 - The electronic keyboard that expanded the world’s music-making population with its unique sound source technology and affordable price - PDF file download	Category 1	Setagaya-ku, Tokyo 1980
Number 293	YOSHIDA Sarcoma YS-TC - The world’s first introduction of cell biology into anti-cancer drug research - PDF file download	Category 1	Sendai-shi, Miyagi 1989
Number 294	MPEG2 Deoder LSI 「TC81201F」 - One of the most important components in DVD player development - PDF file download	Category 1	Kawasaki-shi, Kanagawa 1996
Number 295	DVD Player「SD-3000」 - The monumental DVD player that marked the dawn of the DVD era - PDF file download	Category 1	Kawasaki-shi, Kanagawa 1996
Number 296	DVD movie player DVD-A300 - One of the world’s first DVD players sold - PDF file download	Category 1	Kadoma-shi, Osaka 1996
Number 297	MIDI 1.0 DETAILED SPECIFICATION - The standard that unified the connections between electronic instruments and led to widespread use worldwide - PDF file download	Category 1	Chiyoda-ku, Tokyo 1984
Number 298	Desk Top Music System DM-32N - The software bundle that brought computer music production within the reach of hobbyists - PDF file download	Category 1	Hamamatsu-shi, Shizuoka 1988
Number 299	Spiral Quartz Wall Clock SPX-961 - The world’s first household quartz wall clock - PDF file download	Category 1	Chuo-ku, Tokyo 1968
Number 300	Pyramid Talk, The Talking Clcok DA571 (QEK101) - The talking pyramid clock that took the world by storm - PDF file download	Category 1	Chuo-ku, Tokyo 1984
Number 301	Ultra Thin Wall Clock Seiko Emblem HS301 - Ultra-thin, ultra-high-precision interior wall clock - PDF file download	Category 1	Chuo-ku, Tokyo 1989

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