发明名称 Rotating filter holder for fixing the filter into a lens hood comprises a frame which tapers in the middle on one or two sides
摘要 <p>Rotating filter holder comprises a frame which tapers in the middle on one or two sides. Preferred Features: The frame is 3-12 mm, preferably 6-8 mm thick. The holder is made from one piece. The frame is freely arranged. The holder is made from plastic or metal.</p>
申请公布号 DE202006003802(U1) 申请公布日期 2006.05.04
申请号 DE20062003802U 申请日期 2006.03.10
申请人 HIRSCH, GERHARD 发明人
分类号 G02B7/00 主分类号 G02B7/00
代理机构 代理人
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