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发明名称
MULTIMEDIA PROJECTION SYSTEM
摘要
申请公布号
US3445159(A)
申请公布日期
1969.05.20
申请号
USD3445159
申请日期
1966.03.01
申请人
HOPPMANN CORP.
发明人
KURT H. HOPPMANN
分类号
G03B21/26;(IPC1-7):G03B21/26
主分类号
G03B21/26
代理机构
代理人
主权项
地址
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