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发明名称
SPANNSCHUH ZUM AENDERN DER KETTENLAENGEN AN KOHLENHOBELN.
摘要
申请公布号
DE1751633(U)
申请公布日期
1957.09.05
申请号
DE195700C4917U
申请日期
1957.06.21
申请人
CONCORDIA BERGBAU-AKTIEN-GESELLSCHAFT
发明人
分类号
E21C27/34
主分类号
E21C27/34
代理机构
代理人
主权项
地址
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