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经营范围
发明名称
Salt bath for heat treating carbon alloyed steel
摘要
申请公布号
US2793147(A)
申请公布日期
1957.05.21
申请号
US19540461042
申请日期
1954.10.07
申请人
ALBERT ERDMANN & CO.
发明人
ERDMANN ALBERT;BOELKE ELLI
分类号
C21D1/46
主分类号
C21D1/46
代理机构
代理人
主权项
地址
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