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经营范围
发明名称
Dispositif modulateur de lumière
摘要
申请公布号
FR1191330(A)
申请公布日期
1959.10.19
申请号
FRD1191330
申请日期
1957.12.13
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
C04B35/26;G02B27/28;G02F1/09
主分类号
C04B35/26
代理机构
代理人
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地址
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