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发明名称
Supporting system of frames for projection screens
摘要
申请公布号
SI9400446(A2)
申请公布日期
1995.04.30
申请号
SI19940000446
申请日期
1994.12.19
申请人
PETERKA TOMAZ
发明人
PETERKA TOMAZ
分类号
G03B21/56;G09F7/18;(IPC1-7):G03B21/56
主分类号
G03B21/56
代理机构
代理人
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地址
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