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发明名称
(B1) ;RAIL JOINT
摘要
申请公布号
PL211375(A1)
申请公布日期
1980.06.02
申请号
PL19780211375
申请日期
1978.11.29
申请人
POLSKIE KOLEJE PANSTWOWE TS B
发明人
KOWALSKI WLADYSLAW
分类号
E01B;E01B29/17;(IPC1-7):E01B/
主分类号
E01B
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