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发明名称
APARELHO DE ALINHAMENTO E LEVANTAMENTO DE LINHA FERROVIARIA
摘要
申请公布号
BR7701034(A)
申请公布日期
1977.10.18
申请号
BR19770001034
申请日期
1977.02.17
申请人
CANRON INC
发明人
KEYES J
分类号
E01B27/17;E01B29/04;E01B33/00;E01B33/02;(IPC1-7):E01B33/00
主分类号
E01B27/17
代理机构
代理人
主权项
地址
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