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Tokyo, JP
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last 30 patents
Information
Patent Grant
Fire detector
Patent number
D316828
Issue date
May 14, 1991
Nittan Company, Limited
Hideto Amemiya
D10 - Measuring, testing, or signalling instruments
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Patent Grant
Fire detector having a protective cover
Patent number
4,929,093
Issue date
May 29, 1990
Nittan Company
Takashi Suzuki
G08 - SIGNALLING