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发明名称
RAILWAY TRACK AND ROAD CROSSING
摘要
申请公布号
PL183967(B1)
申请公布日期
2002.08.30
申请号
PL19970318707
申请日期
1997.02.26
申请人
发明人
MANUSZAK JAKUB;STIRMER JACEK;GRZEGORZEWSKI BOGDAN;PANASIUK ZBIGNIEW;RAJEWSKI LUCJAN;KRZEWINA WOJCIECH;HELAK JAN;JURKOWSKI BOLESLAW;PIOTROWSKI BORYSLAW;BAKOWSKI ZBIGNIEW;JURKOWSKA BARBARA;KONDEJ MARGARITA;LEWANDO
分类号
E01C9/04
主分类号
E01C9/04
代理机构
代理人
主权项
地址
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