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经营范围
发明名称
Annealing furnace
摘要
申请公布号
US2171776(A)
申请公布日期
1939.09.05
申请号
US19370186952
申请日期
1937.09.28
申请人
LEE WILSON SALES CORPORATION
发明人
WOODSON JAMES C.
分类号
C21D9/667
主分类号
C21D9/667
代理机构
代理人
主权项
地址
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