Cast steel element of the intersection or crossover track surface, especially crossing nose block of crossover station,申请号PL20130403198-传众专利搜索

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发明名称	Cast steel element of the intersection or crossover track surface, especially crossing nose block of crossover station
摘要
申请公布号	PL224253(B1)	申请公布日期	2016.12.30
申请号	PL20130403198	申请日期	2013.03.18
申请人	KOLEJOWE ZAKŁADY NAWIERZCHNIOWE BIEŻANÓW SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ	发明人	PACYNA JERZY;BAŁA PIOTR;DOBOSZ STANISŁAW MARIAN;CHOJECKI ANDRZEJ;PAŚ JACEK;SAJON STANISŁAW
分类号	C22C38/38;C21D9/04	主分类号	C22C38/38
代理机构		代理人
主权项
地址

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