CIVIL ENGINEERING DEVICES HAVING TELESCOPIC JIBS,申请号GB19740017554-传众专利搜索

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发明名称	CIVIL ENGINEERING DEVICES HAVING TELESCOPIC JIBS
摘要
申请公布号	GB1455516(A)	申请公布日期	1976.11.10
申请号	GB19740017554	申请日期	1974.04.22
申请人	POCLAIN	发明人
分类号	E21B7/00;E02F3/28;E02F5/20;E21B19/087;(IPC1-7):E02D17/14	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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