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发明名称
Improvements in or relating to surface hardening of metal end journals, for example roller necks
摘要
申请公布号
GB476938(A)
申请公布日期
1937.12.17
申请号
GB19360016859
申请日期
1936.06.17
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C21D1/08
主分类号
C21D1/08
代理机构
代理人
主权项
地址
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