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发明名称
Diffusion system for illumination
摘要
申请公布号
US2124737(A)
申请公布日期
1938.07.26
申请号
US19340745582
申请日期
1934.09.26
申请人
VITACHROME, INC.
发明人
JENKING ALLEN C.;BECK ROY C.
分类号
G03B15/02
主分类号
G03B15/02
代理机构
代理人
主权项
地址
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