发明名称 |
Tie suitable for use on a track |
摘要 |
A railroad track tie comprises a body formed at least partially of polymeric material, and a reinforcement totally encapsulated within the body, wherein there is at least one opening through the reinforcement with polymeric material therein.
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申请公布号 |
US7204430(B2) |
申请公布日期 |
2007.04.17 |
申请号 |
US20050058467 |
申请日期 |
2005.02.14 |
申请人 |
BARMAKIAN ANDREW;BARMAKIAN ANDREW DOUGLAS |
发明人 |
BARMAKIAN ANDREW;BARMAKIAN ANDREW DOUGLAS |
分类号 |
E01B3/00 |
主分类号 |
E01B3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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