Two-way check valve combination,申请号US19620212625-传众专利搜索

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发明名称	Two-way check valve combination
摘要
申请公布号	US3191613(A)	申请公布日期	1965.06.29
申请号	US19620212625	申请日期	1962.07.26
申请人	THE TEXAS PIPE LINE COMPANY	发明人	BAGWEIL MARSHALL U.
分类号	F16K15/03	主分类号	F16K15/03
代理机构		代理人
主权项
地址

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