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发明名称
SCHERMO DI PROIEZIONE PER TRASPARENZA
摘要
申请公布号
IT7948519(D0)
申请公布日期
1979.03.28
申请号
IT19790048519
申请日期
1979.03.28
申请人
A. FREEN LIMITED
发明人
分类号
G03B21/60;G03B21/62;(IPC1-7):G03B/
主分类号
G03B21/60
代理机构
代理人
主权项
地址
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