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经营范围
发明名称
Annealing furnace
摘要
申请公布号
US1938306(A)
申请公布日期
1933.12.05
申请号
US19310534837
申请日期
1931.05.04
申请人
EASTWOOD-NEALLEY CORPORATION
发明人
WEBB NELSON
分类号
C21D9/663
主分类号
C21D9/663
代理机构
代理人
主权项
地址
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