échangeur de chaleur tubulaire,申请号FRD892980-传众专利搜索

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发明名称	échangeur de chaleur tubulaire
摘要
申请公布号	FR892980(A)	申请公布日期	1944.05.25
申请号	FRD892980	申请日期	1943.03.30
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	F28F9/18	主分类号	F28F9/18
代理机构		代理人
主权项
地址

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