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发明名称
Verfahren zum Herstellen eines Unterbaues fuer den die Gleis-schwellen aufnehmenden Bettungsschotter
摘要
申请公布号
DE1104546(B)
申请公布日期
1961.04.13
申请号
DE1957SC22871
申请日期
1957.10.01
申请人
WALTER SCHMIDT
发明人
SCHMIDT WALTER
分类号
E01B1/00;E01B2/00
主分类号
E01B1/00
代理机构
代理人
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地址
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