Combined supporting ring and safety closure device for fire extinguishers,申请号US19440529319-传众专利搜索

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法人/股东/高管

发明名称	Combined supporting ring and safety closure device for fire extinguishers
摘要
申请公布号	US2379378(A)	申请公布日期	1945.06.26
申请号	US19440529319	申请日期	1944.04.03
申请人	CLAUDE ROUSSEAU	发明人	ROUSSEAU CLAUDE
分类号	A62C13/78	主分类号	A62C13/78
代理机构		代理人
主权项
地址

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