échangeur de chaleur,申请号FRD932943-传众专利搜索

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发明名称	échangeur de chaleur
摘要
申请公布号	FR932943(A)	申请公布日期	1948.04.06
申请号	FRD932943	申请日期	1946.08.27
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	F28F3/04	主分类号	F28F3/04
代理机构		代理人
主权项
地址

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