DEVICE FOR ICE DRILLING,申请号SU19884428128-传众专利搜索

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发明名称	DEVICE FOR ICE DRILLING
摘要
申请公布号	SU1576807(A1)	申请公布日期	1990.07.07
申请号	SU19884428128	申请日期	1988.05.18
申请人	TOPITSAK VLADIMIR,SU	发明人	TOPITSAK VLADIMIR I,SU
分类号	F25C5/02	主分类号	F25C5/02
代理机构		代理人
主权项
地址

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