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发明名称
Verwendung von Halbhoelzern, Schwartenhoelzern o. dgl. in waldreichen Gebieten zur Herstellung von Gleisbahnen
摘要
申请公布号
DE639676(C)
申请公布日期
1936.12.10
申请号
DE1934L086404D
申请日期
1934.08.14
申请人
KARL LOEW
发明人
分类号
E01B25/00
主分类号
E01B25/00
代理机构
代理人
主权项
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