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发明名称
RÜCKPROJEKTIONSBILDSCHIRM MIT DIFFUSOR
摘要
申请公布号
DE69816432(D1)
申请公布日期
2003.08.21
申请号
DE1998616432
申请日期
1998.03.20
申请人
MINNESOTA MINING AND MFG. CO., ST. PAUL
发明人
MOSHREFZADEH, S.
分类号
G03B21/62;(IPC1-7):G03B21/62
主分类号
G03B21/62
代理机构
代理人
主权项
地址
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