发明名称 A SPECTACLE FRAME
摘要 A spectacle frame comprises frame parts which are made of chrome nickel steel and produced by cold-forming. In order to provide advantageous constructional conditions, it is proposed that the frame parts consist of a chrome nickel steel with a minimum strength of 950 MPa.
申请公布号 CA2470258(C) 申请公布日期 2008.03.25
申请号 CA20022470258 申请日期 2002.11.06
申请人 SILHOUETTE INTERNATIONAL SCHMIED AG 发明人 SPINDELBALKER, RUPERT
分类号 G02C5/00;C21D6/00;C21D6/02;C21D7/02;C21D8/00;C22C38/40 主分类号 G02C5/00
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