Screw retaining device for eyeglass rims,申请号US19300502901-传众专利搜索

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发明名称	Screw retaining device for eyeglass rims
摘要
申请公布号	US1882153(A)	申请公布日期	1932.10.11
申请号	US19300502901	申请日期	1930.12.17
申请人	J. GASPARI & COMPANY, INC.	发明人	LOBENSTEIN WALTER
分类号	G02C1/08	主分类号	G02C1/08
代理机构		代理人
主权项
地址

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