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经营范围
发明名称
Improvements relating to heat treating furnaces
摘要
申请公布号
GB431459(A)
申请公布日期
1935.07.08
申请号
GB19350016448
申请日期
1933.12.06
申请人
DRIVER-HARRIS COMPANY
发明人
分类号
F27B9/24
主分类号
F27B9/24
代理机构
代理人
主权项
地址
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