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发明名称
Appareil refroidisseur pour postes de projection cinématographique
摘要
申请公布号
FR787352(A)
申请公布日期
1935.09.21
申请号
FRD787352
申请日期
1935.03.11
申请人
发明人
JOHNSON ARTHUR PERCY
分类号
G03B21/16
主分类号
G03B21/16
代理机构
代理人
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