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发明名称
IDLE PUKLEY FOR A SAFETY DRAWING MACHINE ROPE
摘要
申请公布号
PL143486(B1)
申请公布日期
1988.02.29
申请号
PL19840250579
申请日期
1984.11.23
申请人
发明人
分类号
B66D;B66D1/395;E21C29/16;(IPC1-7):E21C29/16
主分类号
B66D
代理机构
代理人
主权项
地址
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