Safety device for fire-extinguishing apparatus,申请号US19550542573-传众专利搜索

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发明名称	Safety device for fire-extinguishing apparatus
摘要
申请公布号	US2778435(A)	申请公布日期	1957.01.22
申请号	US19550542573	申请日期	1955.10.25
申请人	ANSUL CHEMICAL COMPANY	发明人	DOWNHAM ROY E.;ALLEN ALDEN W.
分类号	A62C13/64	主分类号	A62C13/64
代理机构		代理人
主权项
地址

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