Selective smoke detector,申请号US19310574339-传众专利搜索

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发明名称	Selective smoke detector
摘要
申请公布号	US2033466(A)	申请公布日期	1936.03.10
申请号	US19310574339	申请日期	1931.11.11
申请人	WALTER KIDDE & COMPANY, INC.	发明人	JR. HARRY CAMPBELL GRANT,
分类号	B29C45/33;F16F1/04;G01N21/53;G08B17/103	主分类号	B29C45/33
代理机构		代理人
主权项
地址

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