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发明名称
Schachtabdeckung
摘要
申请公布号
CH482072(A)
申请公布日期
1969.11.30
申请号
CH19680011991
申请日期
1968.08.09
申请人
VON ROLL AG
发明人
FEHLMANN,ROBERT;SCHUERCH,EUGEN,DIPL.-ING.
分类号
E03F5/06;(IPC1-7):E02D29/14
主分类号
E03F5/06
代理机构
代理人
主权项
地址
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