Procedure for melting frozen soil in a field,申请号FI19890002954-传众专利搜索

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发明名称	Procedure for melting frozen soil in a field
摘要
申请公布号	FI87816(B)	申请公布日期	1992.11.13
申请号	FI19890002954	申请日期	1989.06.16
申请人	A. HUSU KY	发明人	HUSU, AARNE
分类号	E01C;E01C11/26;E01C13/00;(IPC1-7):E01C13/00	主分类号	E01C
代理机构		代理人
主权项
地址

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