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发明名称
Streckenausbau im Bereich der Strebmuendung
摘要
申请公布号
DE1193905(B)
申请公布日期
1965.06.03
申请号
DE1962V022481
申请日期
1962.05.12
申请人
ALOYS VANWERSCH
发明人
VANWERSCH ALOYS
分类号
E21D11/36
主分类号
E21D11/36
代理机构
代理人
主权项
地址
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