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经营范围
发明名称
OPTICAL SMOKE DETECTOR WITH TROUBLE DETECTION FUNCTION
摘要
申请公布号
JPS5439182(A)
申请公布日期
1979.03.26
申请号
JP19770105520
申请日期
1977.09.02
申请人
NITTAN CO LTD
发明人
TAGASHIRA HIROSHI
分类号
G01N21/53;G01R29/14;G08B17/10;G08B17/107;G08B29/00;G08B29/04
主分类号
G01N21/53
代理机构
代理人
主权项
地址
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