SYSTEM AND METHOD OF STRAIGHTENING A RAILWAY TRACK,申请号USD3482527-传众专利搜索

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发明名称	SYSTEM AND METHOD OF STRAIGHTENING A RAILWAY TRACK
摘要
申请公布号	US3482527(A)	申请公布日期	1969.12.09
申请号	USD3482527	申请日期	1967.09.19
申请人	HEINRICH HELGEMEIR	发明人	HEINRICH HELGEMEIR
分类号	E01B35/00;(IPC1-7):E01B33/02	主分类号	E01B35/00
代理机构		代理人
主权项
地址

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