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发明名称
摘要
申请公布号
PL222772(A2)
申请公布日期
1981.02.27
申请号
PL19800222772
申请日期
1980.03.17
申请人
DYREKCJA BUDOWY TRAS KOMUNIKAC
发明人
KORDASZ SLAWOMIR
分类号
E02F;F16L;(IPC1-7):E02F/;F16L/
主分类号
E02F
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代理人
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