GRID FOR RAILS TRANSPORTATION,申请号PL19870268385-传众专利搜索

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发明名称	GRID FOR RAILS TRANSPORTATION
摘要
申请公布号	PL268385(A1)	申请公布日期	1989.05.02
申请号	PL19870268385	申请日期	1987.10.23
申请人		发明人
分类号	B21B;(IPC1-7):B21B/	主分类号	B21B
代理机构		代理人
主权项
地址

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