PIPELINE PIG STOPPER,申请号USD3593749-传众专利搜索

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发明名称	PIPELINE PIG STOPPER
摘要
申请公布号	US3593749(A)	申请公布日期	1971.07.20
申请号	USD3593749	申请日期	1969.08.04
申请人	EDWIN E. REARDON	发明人	EDWIN E. REARDON
分类号	F16L55/136;(IPC1-7):F16L55/12	主分类号	F16L55/136
代理机构		代理人
主权项
地址

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