Inflatable plug bag for testing plumbing,申请号US19490109204-传众专利搜索

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发明名称	Inflatable plug bag for testing plumbing
摘要
申请公布号	US2678666(A)	申请公布日期	1954.05.18
申请号	US19490109204	申请日期	1949.08.08
申请人	THEIS HAROLD T;THEIS WALTER C;THEIS ARTHUR J	发明人	THEIS HAROLD T.;THEIS WALTER C.;THEIS ARTHUR J.
分类号	F16K7/10	主分类号	F16K7/10
代理机构		代理人
主权项
地址

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