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发明名称
Fermoir élastique de cadre pour diapositives de projection
摘要
申请公布号
FR846182(A)
申请公布日期
1939.09.11
申请号
FRD846182
申请日期
1938.11.17
申请人
KODAK-PATHE
发明人
分类号
G03B21/64
主分类号
G03B21/64
代理机构
代理人
主权项
地址
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