Combination portable tubing board and tubing rack,申请号US19360091015-传众专利搜索

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发明名称	Combination portable tubing board and tubing rack
摘要
申请公布号	US2087155(A)	申请公布日期	1937.07.13
申请号	US19360091015	申请日期	1936.07.16
申请人	SKELLY OIL COMPANY	发明人	LEE DON W.
分类号	E21B19/14	主分类号	E21B19/14
代理机构		代理人
主权项
地址

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