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发明名称
Single cell image plane position appraisal system for a slide projector
摘要
申请公布号
US3296924(A)
申请公布日期
1967.01.10
申请号
US19650434252
申请日期
1965.02.23
申请人
BELL & HOWELL COMPANY
发明人
LEVIN HERMAN;MAXON ERIC K.
分类号
G03B21/53
主分类号
G03B21/53
代理机构
代理人
主权项
地址
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