POWERED ROOF SUPPORT,申请号SU19792749486-传众专利搜索

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发明名称	POWERED ROOF SUPPORT
摘要
申请公布号	SU800381(A1)	申请公布日期	1981.01.30
申请号	SU19792749486	申请日期	1979.04.09
申请人	INST GORNOGO DELA IM.A.A.SKOCHINSKOGO	发明人	SNAGIN VASILIJ T,SU
分类号	E21D23/00;(IPC1-7):E21D23/00	主分类号	E21D23/00
代理机构		代理人
主权项
地址

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