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发明名称
FILM FEED MECHANISM FOR MOTION PICTURE PROJECTOR
摘要
申请公布号
US3528729(A)
申请公布日期
1970.09.15
申请号
USD3528729
申请日期
1967.04.03
申请人
GRAFLEX INC.
发明人
HOWARD CHARLES DECK
分类号
G03B1/22;(IPC1-7):G03B23/02
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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