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发明名称
RAIL LEVELLING INSTRUMENTS.
摘要
申请公布号
IE18790(L)
申请公布日期
1949.10.12
申请号
IE19490000176
申请日期
1949.03.28
申请人
MAURICE HENRI LEMAIRE.
发明人
分类号
E01B;(IPC1-7):E01B
主分类号
E01B
代理机构
代理人
主权项
地址
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