METAL RAIL SLEEPERS,申请号IN1987CA17919-传众专利搜索

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发明名称	METAL RAIL SLEEPERS
摘要
申请公布号	IN166624(B)	申请公布日期	1990.06.23
申请号	IN1987CA17919	申请日期	1987.03.06
申请人	BHP RAIL PRODUCTS PROPROETARY LTD.	发明人	SKINNER JAMES
分类号	E01B3/00;(IPC1-7):E01B3/00	主分类号	E01B3/00
代理机构		代理人
主权项
地址

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