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发明名称
Slide projectors
摘要
申请公布号
US3171222(A)
申请公布日期
1965.03.02
申请号
US19620216907
申请日期
1962.08.14
申请人
ELMO COMPANY, LIMITED
发明人
SAKAKI YOSHINOBU;TESHI HARUO
分类号
G03B23/04
主分类号
G03B23/04
代理机构
代理人
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地址
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