ROCK-FREEZING APPARATUS,申请号SU19792827209-传众专利搜索

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发明名称	ROCK-FREEZING APPARATUS
摘要
申请公布号	SU885562(A1)	申请公布日期	1981.11.30
申请号	SU19792827209	申请日期	1979.10.03
申请人	VNII ORGANIZATSII MEKH SHAKHTNOGO STROITELSTVA	发明人	SHABETYA VLADIMIR I,SU
分类号	E21D1/12;(IPC1-7):E21D1/12	主分类号	E21D1/12
代理机构		代理人
主权项
地址

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