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经营范围
发明名称
PROJECTION SCREEN
摘要
申请公布号
EP1084432(A1)
申请公布日期
2001.03.21
申请号
EP19990927772
申请日期
1999.05.27
申请人
GUTJAHR, JOERG
发明人
GUTJAHR, JOERG
分类号
G02B5/32;G03B21/62;(IPC1-7):G02B5/32
主分类号
G02B5/32
代理机构
代理人
主权项
地址
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