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发明名称
SOUND SYNCHRONIZED SLIDE PROJECTOR
摘要
申请公布号
US3526454(A)
申请公布日期
1970.09.01
申请号
USD3526454
申请日期
1968.05.28
申请人
MARTIN E. GERRY
发明人
MARTIN E. GERRY
分类号
G03B31/06;(IPC1-7):G03B31/06
主分类号
G03B31/06
代理机构
代理人
主权项
地址
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