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发明名称
VERFAHREN UND VORRICHTUNG ZUM INSTANDHALTEN DES SCHOTTERBETTS EINES GLEISES UND ZUM KORRIGIEREN DER LAGE EINES GLEISES
摘要
申请公布号
DE2811743(A1)
申请公布日期
1978.09.21
申请号
DE19782811743
申请日期
1978.03.17
申请人
CANRON INC.
发明人
KENNETH STEWART,JOHN
分类号
E01B27/02;E01B27/13;E01B27/17;(IPC1-7):E01B27/20;E01B27/12
主分类号
E01B27/02
代理机构
代理人
主权项
地址
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