METHOD OF PREEZING ROCK FOR ENTRY-DRIVING,申请号SU19853856167-传众专利搜索

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发明名称	METHOD OF PREEZING ROCK FOR ENTRY-DRIVING
摘要
申请公布号	SU1242617(A1)	申请公布日期	1986.07.07
申请号	SU19853856167	申请日期	1985.01.03
申请人	TOPORKOV ANATOLIJ V,SU;MERZAK LEON S,SU;KRONIK YAKOV A,SU;BEREGOVAYA NADEZHDA,SU	发明人	TOPORKOV ANATOLIJ V,SU;MERZAK LEON S,SU;KRONIK YAKOV A,SU;BEREGOVAYA NADEZHDA I,SU
分类号	E21D1/12	主分类号	E21D1/12
代理机构		代理人
主权项
地址

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