Internal emergency shut-off valve for tanks and actuating means therefor,申请号US19310577662-传众专利搜索

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发明名称	Internal emergency shut-off valve for tanks and actuating means therefor
摘要
申请公布号	US1918728(A)	申请公布日期	1933.07.18
申请号	US19310577662	申请日期	1931.11.27
申请人	A. W. WHEATON BRASS WORKS	发明人	WHEATON ABRAM W.
分类号	F16K31/44	主分类号	F16K31/44
代理机构		代理人
主权项
地址

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