Система автоматизированного управления механизированной крепью,申请号RU20030107190U-传众专利搜索

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发明名称	Система автоматизированного управления механизированной крепью
摘要
申请公布号	RU33404(U1)	申请公布日期	2003.10.20
申请号	RU20030107190U	申请日期	2003.03.19
申请人		发明人
分类号	E21D23/12	主分类号	E21D23/12
代理机构		代理人
主权项
地址

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