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经营范围
发明名称
VORRICHTUNG ZUM ABDICHTEN VON SCHACHTEINLAEUFEN.
摘要
申请公布号
DE58902787(D1)
申请公布日期
1993.01.07
申请号
DE19895002787
申请日期
1989.02.11
申请人
BECK, ERHARD, 6927 BAD RAPPENAU, DE
发明人
BECK, ERHARD, 6927 BAD RAPPENAU, DE
分类号
E03F7/02;F16K7/10;(IPC1-7):E03F7/02
主分类号
E03F7/02
代理机构
代理人
主权项
地址
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