,申请号USD3273713-传众专利搜索

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发明名称
摘要
申请公布号	US3273713(A)	申请公布日期	1966.09.20
申请号	USD3273713	申请日期
申请人		发明人
分类号	C01B7/19;C01B25/234;C01B33/10	主分类号	C01B7/19
代理机构		代理人
主权项
地址

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