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发明名称
Projecteur de diapositives et passe-vues pour celui-ci
摘要
申请公布号
FR1472631(A)
申请公布日期
1967.03.10
申请号
FR19660055082
申请日期
1966.03.25
申请人
SAWYER'S INC.
发明人
分类号
G03B23/10
主分类号
G03B23/10
代理机构
代理人
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