,申请号FRD1576446-传众专利搜索

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发明名称
摘要
申请公布号	FR1576446(A)	申请公布日期	1969.06.23
申请号	FRD1576446	申请日期	1968.04.19
申请人		发明人
分类号	F28D7/06;F28F9/013	主分类号	F28D7/06
代理机构		代理人
主权项
地址

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