Combination gate valve and ball launcher and catcher for use in pressure flow lines,申请号US19610082052-传众专利搜索

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发明名称	Combination gate valve and ball launcher and catcher for use in pressure flow lines
摘要
申请公布号	US3063080(A)	申请公布日期	1962.11.13
申请号	US19610082052	申请日期	1961.01.11
申请人	PANHANDLE EASTERN PIPE LINE COMPANY	发明人	BERGMAN STEPHEN A.;COCKRELL DONALD F.
分类号	F16K3/02;F16L55/46	主分类号	F16K3/02
代理机构		代理人
主权项
地址

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