THE MACHINE FOR CLEANING TRACKS IN PIT UNDERGROUNDS,申请号PL19860260023-传众专利搜索

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发明名称	THE MACHINE FOR CLEANING TRACKS IN PIT UNDERGROUNDS
摘要
申请公布号	PL150152(B1)	申请公布日期	1990.04.30
申请号	PL19860260023	申请日期	1986.06.11
申请人		发明人
分类号	E01B27/04;(IPC1-7):E01B27/04	主分类号	E01B27/04
代理机构		代理人
主权项
地址

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