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经营范围
发明名称
Distributor of electromagnetic radiation, particularly a projection screen
摘要
申请公布号
EP0493635(B1)
申请公布日期
1998.09.23
申请号
EP19900403746
申请日期
1990.12.21
申请人
MALIFAUD, PIERRE;VUILLAUME, GERARD, MARCEL, LOUIS
发明人
MALIFAUD, PIERRE;VUILLAUME, GERARD, MARCEL, LOUIS
分类号
G03B21/60;(IPC1-7):G03B21/60
主分类号
G03B21/60
代理机构
代理人
主权项
地址
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