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发明名称	OPENWORK PAVEMENT SLAB
摘要
申请公布号	PL59162(Y1)	申请公布日期	2002.05.31
申请号	PL19970106290U	申请日期	1997.03.25
申请人	GAMALCZYK RYSZARD	发明人	GAMALCZYK RYSZARD
分类号	E01C5/18;(IPC1-7):E01C5/18	主分类号	E01C5/18
代理机构		代理人
主权项
地址

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