Safety device for gas-line leakage,申请号US19380192856-传众专利搜索

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发明名称	Safety device for gas-line leakage
摘要
申请公布号	US2160748(A)	申请公布日期	1939.05.30
申请号	US19380192856	申请日期	1938.02.26
申请人	GUY MAYNARD	发明人	MAYNARD GUY
分类号	F16L5/02;F17D5/02	主分类号	F16L5/02
代理机构		代理人
主权项
地址

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