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发明名称
APPARATUS FOR ASSEMBLING MECHANIZED ROOF SUPPORT UNITS
摘要
申请公布号
PL125921(B1)
申请公布日期
1983.06.30
申请号
PL19800224002
申请日期
1980.05.02
申请人
发明人
分类号
B23P21/00;E21D;E21D15/58;E21D23/00;(IPC1-7):B23P21/00
主分类号
B23P21/00
代理机构
代理人
主权项
地址
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