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发明名称
Apparatus for heat-treating metal articles
摘要
申请公布号
US1766633(A)
申请公布日期
1930.06.24
申请号
US19290379584
申请日期
1929.07.19
申请人
HEYWARD JR THOMAS R
发明人
JR. THOMAS R. HEYWARD,
分类号
C21D9/00
主分类号
C21D9/00
代理机构
代理人
主权项
地址
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