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发明名称
MINING MACHINE WITH CONTROL AND OPERATING SYSTEM FOR MINING HEAD AND TRACTION MEANS
摘要
申请公布号
US3498676(A)
申请公布日期
1970.03.03
申请号
USD3498676
申请日期
1968.03.25
申请人
JEFFREY GALION MFG. CO.
发明人
ARTHUR L. CILLES
分类号
E21C31/00;(IPC1-7):E21C25/00
主分类号
E21C31/00
代理机构
代理人
主权项
地址
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