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发明名称
FILM PROJECTOR AND AUTOMATED THEATER PROJECTION SYSTEM
摘要
申请公布号
US3609020(A)
申请公布日期
1971.09.28
申请号
USD3609020
申请日期
1969.03.24
申请人
MINITEK INC.
发明人
JOSEPH KELLY
分类号
G03B31/02;G03D15/00;(IPC1-7):G03B21/50
主分类号
G03B31/02
代理机构
代理人
主权项
地址
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