Lighting device

申请公布号：US2524657(A)

申请号：US19450636243

申请日期：1945.12.20

申请公布日期：1950.10.03

申请人：

FORD PAUL B

发明人：FORD PAUL B.

分类号：F21V8/00

主分类号：F21V8/00

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