METHOD FOR PRODUCTION OF CROSSING CORES FOR RAILWAY POINTS,申请号BG19870081529-传众专利搜索

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发明名称	METHOD FOR PRODUCTION OF CROSSING CORES FOR RAILWAY POINTS
摘要
申请公布号	BG49502(A3)	申请公布日期	1991.11.15
申请号	BG19870081529	申请日期	1987.10.26
申请人	VOEST- ALPINE AG	发明人	ROTTER, FRANZ;PIRKER, ROBERT;SCHROTTER, ERNST
分类号	E01B7/00;B23K15/00;B23K20/08;C22C38/00;C22C38/50;(IPC1-7):B23K15/00;E01B7/10	主分类号	E01B7/00
代理机构		代理人
主权项
地址

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