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发明名称
WOODEN SLEEPER
摘要
申请公布号
SU805956(A3)
申请公布日期
1981.02.15
申请号
SU19752196557
申请日期
1975.12.08
申请人
AKADEMYA ROLNICHA (FIRMA)
发明人
MATSEJ LAVNICHAK,PL;ANDZHEJ MAMET,PL;VITOLD ARAMOVICH,PL
分类号
E01B3/04;E01B3/02;E01B9/40;(IPC1-7):E01B3/04
主分类号
E01B3/04
代理机构
代理人
主权项
地址
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