Power Pipe Tong Transmission Assembly,申请号GB19680051532-传众专利搜索

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发明名称	Power Pipe Tong Transmission Assembly
摘要
申请公布号	GB1197249(A)	申请公布日期	1970.07.01
申请号	GB19680051532	申请日期	1968.10.30
申请人	BYRON JACKSON INC.	发明人
分类号	E21B19/16	主分类号	E21B19/16
代理机构		代理人
主权项
地址

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