Method of and apparatus for freezing ground,申请号GB19480016932-传众专利搜索

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发明名称	Method of and apparatus for freezing ground
摘要
申请公布号	GB642058(A)	申请公布日期	1950.08.23
申请号	GB19480016932	申请日期	1948.06.23
申请人	JEAN PIERRE DAXELHOFER	发明人
分类号	E02D3/115;E21D1/12;E21D1/14	主分类号	E02D3/115
代理机构		代理人
主权项
地址

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