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发明名称
DRILLING WAGON
摘要
申请公布号
GB1583574(A)
申请公布日期
1981.01.28
申请号
GB19770028539
申请日期
1977.07.07
申请人
MANNESMANN DEMAG AG
发明人
分类号
B62D55/06;E21B7/02;(IPC1-7):B25D17/32
主分类号
B62D55/06
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