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发明名称
Improved means for cooling surfaces for use more particularly in duplicating or printing apparatus
摘要
申请公布号
GB354499(A)
申请公布日期
1931.08.13
申请号
GB19300019506
申请日期
1930.06.26
申请人
BENJAMIN JAMES HALL
发明人
分类号
G03B27/26
主分类号
G03B27/26
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代理人
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