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发明名称
Carrier claw with traverse, for arched support system in mine - has cutting edges adjacent bracing recess, penetrating profile base when tilted
摘要
申请公布号
DE3050749(A1)
申请公布日期
1983.10.20
申请号
DE19803050749
申请日期
1980.10.23
申请人
MUELLER & BORGGRAEFE KG
发明人
GOTTSCHALK,GUENTER
分类号
E21D11/22;E21F17/02;(IPC1-7):21F17/02
主分类号
E21D11/22
代理机构
代理人
主权项
地址
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