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发明名称
Motion picture projector
摘要
申请公布号
US3312406(A)
申请公布日期
1967.04.04
申请号
US19640363816
申请日期
1964.04.30
申请人
BELL & HOWELL COMPANY
发明人
HENRIKSEN ELMER C.
分类号
G03B19/18;G03B21/43
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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