Semirimless spectacle mounting having flexible lens retainers

申请公布号：US2516549(A)

申请号：US19470780963

申请日期：1947.10.20

申请公布日期：1950.07.25

申请人：

CHAPPELL NORMAN W

发明人：CHAPPELL NORMAN W.

分类号：G02C1/04

主分类号：G02C1/04

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