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发明名称
Inverted projection head for an overhead projector
摘要
申请公布号
USD473255(S1)
申请公布日期
2003.04.15
申请号
US20010138735F
申请日期
2001.03.19
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
COZZOLINO STEVE;ZUEGE BRADFORD CHARLES;JOSS MICHAEL S.;NELSON MARK T.
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