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发明名称
Schildschwanzdichtung fuer einen Vortriebsschild
摘要
申请公布号
DE1244222(B)
申请公布日期
1967.07.13
申请号
DE1962SC31460
申请日期
1962.05.11
申请人
RICHARD SCHULZ TIEFBAUUNTERNEHMUNG
发明人
SCHERLE DIPL.-ING. MAX
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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