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发明名称
Geschweisste Schienenstossverbindung
摘要
申请公布号
DE617945(C)
申请公布日期
1935.08.29
申请号
DE1934F076926D
申请日期
1934.01.16
申请人
DR. PIETRO FORCELLA
发明人
分类号
E01B11/44
主分类号
E01B11/44
代理机构
代理人
主权项
地址
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