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发明名称
Schienenstossverbindung mittels einer im Grundriss dreieckigen Platte
摘要
申请公布号
DE617883(C)
申请公布日期
1935.08.28
申请号
DE1933W093343D
申请日期
1933.12.28
申请人
RUDOLF WRIEDT
发明人
分类号
E01B11/32
主分类号
E01B11/32
代理机构
代理人
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