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发明名称
APPARATUS FOR PROTECTING FLEXIBLE CONNECTOR OF WALL-TYPE COMBINED CUTTER LOADERS AGAINST WHIPAJJNOV DLJA RABOTY V LAVE OT BIENIJA
摘要
申请公布号
PL120980(B1)
申请公布日期
1982.04.30
申请号
PL19790218035
申请日期
1979.08.29
申请人
发明人
分类号
E21C;E21C29/04;(IPC1-7):E21C29/04
主分类号
E21C
代理机构
代理人
主权项
地址
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