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发明名称
PROJECTION SCREEN
摘要
申请公布号
CS244649(B1)
申请公布日期
1986.08.14
申请号
CS19850001602
申请日期
1985.03.07
申请人
LINHART,LUBOR,CS
发明人
LINHART,LUBOR,CS
分类号
G03B21/60;(IPC1-7):G03B21/60
主分类号
G03B21/60
代理机构
代理人
主权项
地址
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