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经营范围
发明名称
Fused salt bath for carburizing iron, steel, and the like
摘要
申请公布号
US1980152(A)
申请公布日期
1934.11.06
申请号
US19320596576
申请日期
1932.03.03
申请人
DEUTSCHE GOLD & SILBER SCHEIDEANSTALT, VORMALS ROESSLER
发明人
BECK WALTER;BONATH KLAUS
分类号
C23C8/46
主分类号
C23C8/46
代理机构
代理人
主权项
地址
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