,申请号FRD743080-传众专利搜索

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发明名称
摘要
申请公布号	FR743080(A)	申请公布日期	1933.03.23
申请号	FRD743080	申请日期
申请人		发明人
分类号	F04B53/10	主分类号	F04B53/10
代理机构		代理人
主权项
地址

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