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发明名称
SICHERUNGSKEIL AN TRAGBOLZEN, INSBESONDERE AN ZWISCHENGESCHIRREN BEI BERGWERKSFOERDERUNGEN.
摘要
申请公布号
DE1646625(U)
申请公布日期
1952.11.13
申请号
DE195000SC348U
申请日期
1950.09.06
申请人
GEORG SCHOENFELD
发明人
GEORG SCHOENFELD
分类号
主分类号
代理机构
代理人
主权项
地址
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