Valve packing assembly,申请号US19480004101-传众专利搜索

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发明名称	Valve packing assembly
摘要
申请公布号	US2596681(A)	申请公布日期	1952.05.13
申请号	US19480004101	申请日期	1948.01.24
申请人	NATIONAL WELDING EQUIPMENT CO.	发明人	HAMMON GEORGE LEONARD
分类号	F16K41/02	主分类号	F16K41/02
代理机构		代理人
主权项
地址

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