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经营范围
发明名称
Dispositif de refroidissement pour châssis de reproduction
摘要
申请公布号
FR721255(A)
申请公布日期
1932.03.01
申请号
FRD721255
申请日期
1931.08.11
申请人
发明人
DREWS PAUL
分类号
G03B27/02
主分类号
G03B27/02
代理机构
代理人
主权项
地址
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