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发明名称
APPARATUS FOR PRODUCING A VISUAL DISPLAY
摘要
申请公布号
US3590681(A)
申请公布日期
1971.07.06
申请号
USD3590681
申请日期
1968.11.27
申请人
SONOVISION INC.
发明人
LLOYD G. CROSS
分类号
A63J5/10;(IPC1-7):A63J17/00
主分类号
A63J5/10
代理机构
代理人
主权项
地址
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