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经营范围
发明名称
EXTENDED LIFE SLEEPER FOR FASTENING OF RAILROAD
摘要
申请公布号
HU2006(U)
申请公布日期
2001.04.30
申请号
HU19990000335U
申请日期
1999.12.23
申请人
PSSZTOR J¾ZSEF
发明人
PSSZTOR,J¾ZSEF
分类号
E01B9/14;E01B31/26;(IPC1-7):E01B3/02;E01B3/42;E01B9/68
主分类号
E01B9/14
代理机构
代理人
主权项
地址
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