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发明名称
Verbindungsschuh fuer Kappen
摘要
申请公布号
DE831089(C)
申请公布日期
1952.02.11
申请号
DE1950G003580
申请日期
1950.09.16
申请人
GUTEHOFFNUNGSHUETTE OBERHAUSEN A.G.
发明人
STOCK GUENTHER
分类号
E21D17/086
主分类号
E21D17/086
代理机构
代理人
主权项
地址
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