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发明名称
Method of and means for controlling light
摘要
申请公布号
US1879138(A)
申请公布日期
1932.09.27
申请号
US19280315048
申请日期
1928.10.25
申请人
RADIO CORPORATION
发明人
ECCLES WILLIAM HENRY;WHITAKER ALFRED
分类号
G02F1/03
主分类号
G02F1/03
代理机构
代理人
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地址
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