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发明名称
APPARATUS FOR ANCHORING AND DISPLACING DRIVING UNIT OF COMBINED CUTTER LOADER CHAIN
摘要
申请公布号
PL133663(B1)
申请公布日期
1985.06.29
申请号
PL19810234403
申请日期
1981.12.21
申请人
发明人
分类号
E21C;E21C29/08;E21F13/10;(IPC1-7):E21C29/08
主分类号
E21C
代理机构
代理人
主权项
地址
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