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发明名称
Projektionsfenster fuer Film-Vorfuehrraeume
摘要
申请公布号
DE1053926(B)
申请公布日期
1959.03.26
申请号
DE1953P010292
申请日期
1953.08.17
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
MUELLER FRIEDRICH WILHELM
分类号
G03B21/18
主分类号
G03B21/18
代理机构
代理人
主权项
地址
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