Double ring,申请号US05/924865-传众专利搜索

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法人/股东/高管

发明名称	Double ring
摘要
申请公布号	USD254606(S1)	申请公布日期	1980.04.01
申请号	US05/924865	申请日期	1978.07.14
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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