PIPE ELEVATOR FOR USE WITH SPLIT BLOCK,申请号CAD826474-传众专利搜索

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发明名称	PIPE ELEVATOR FOR USE WITH SPLIT BLOCK
摘要
申请公布号	CA826474(A)	申请公布日期	1969.11.04
申请号	CAD826474	申请日期
申请人	DRESSER INDUSTRIES	发明人	WILLIAM M. MARKS;WAYNE L. BRACKIN
分类号		主分类号
代理机构		代理人
主权项
地址

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