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经营范围
发明名称
CONCRETE SLEEPERS.
摘要
申请公布号
IE22256(L)
申请公布日期
1957.04.08
申请号
IE19560000550
申请日期
1956.10.08
申请人
AKTIEBOLAGET INDHAR.
发明人
分类号
(IPC1-7):E01B/00
主分类号
(IPC1-7):E01B/00
代理机构
代理人
主权项
地址
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