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Inventor
NEGISHI NOBUMASA
JP
2 patents
Patents
2 patents
US4436505A
Mar 13, 1984
Device for detecting flame in open-type combustor and oxygen density of indoor air
MITSUBISHI ELECTRIC CORP
7 citations
69
US4412809A
Nov 1, 1983
Oxygen density detecting device in combustor
MITSUBISHI ELECTRIC CORP
4 citations
54