EXTENSIBLE PLUG VALVE,申请号CAD781318-传众专利搜索

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发明名称	EXTENSIBLE PLUG VALVE
摘要
申请公布号	CA781318(A)	申请公布日期	1968.03.26
申请号	CAD781318	申请日期
申请人	H. H. ROBERTSON COMPANY	发明人	ARTHUR P. JENTOFT
分类号		主分类号
代理机构		代理人
主权项
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