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Nagai Masao

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Featured researches published by Nagai Masao.

Archive | 1983

INCANDESCENT BULB FOR ELECTRIC STAND

Honda Kiyokazu; Nagai Masao

Archive | 1989

LAMP QUALITY JUDGEMENT METHOD AND APPARATUS THEREFOR

Yuasa Kunio; Sugiyama Haruo; Nagai Masao; Kihara Kunihiko; Akaishi Takao; Tsujihara Yasushi

Archive | 1983

METHOD OF PRODUCING SHIELDED BEAM TYPE LIGHT PROJECTION BULB

Akaishi Takao; Nagai Masao

Archive | 1978

PRODUCTION OF LIGHTTDIFFUSING SUBSTANCE SUSPENSION

Akaishi Takao; Yamada Yasushi; Nagai Masao

Archive | 1987

AUTOMATIC SCREENER OF INCANDESCENT LAMPS

Yuasa Kunio; Kihara Kunihiko; Akaishi Takao; Nagai Masao

Archive | 1987

AUTOMATIC SELECTOR FOR INCANDESCENT LAMP

Yuasa Kunio; Akaishi Takao; Kihara Kunihiko; Nagai Masao

Archive | 1983

INFRARED RAY RADIATING DEVICE

Nagai Masao; Honda Kiyokazu; Akaishi Takao

Archive | 1983

SHIELDED BEAM TYPE BULB

Akaishi Takao; Nagai Masao

Archive | 1979

SCATTERED LIGHT TYPE LAMP

Nagai Masao; Hirano Tomiyoshi; Yamada Yasushi

Archive | 1978

LAMP FOR INFRARED RAY HEATER

Nagai Masao; Mashita Michiya; Shinada Hidehiro

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