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经营范围
发明名称
PROJECTOR FOR CONTINUOUS LOOP MOTION PICTURE FILM
摘要
申请公布号
CA904627(A)
申请公布日期
1972.07.11
申请号
CAD904627
申请日期
申请人
JAYARK INSTRUMENTS CORPORATION
发明人
MITCHELL J. BOGDANOWICZ
分类号
G03B21/32;G03B31/02;(IPC1-7):G03B31/02
主分类号
G03B21/32
代理机构
代理人
主权项
地址
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