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发明名称
Federzungenweiche
摘要
申请公布号
DE521797(C)
申请公布日期
1931.03.26
申请号
DENDATF067334D
申请日期
申请人
ALBERT FUCHS
发明人
分类号
E01B7/06
主分类号
E01B7/06
代理机构
代理人
主权项
地址
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