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经营范围
发明名称
Process of regenerating fused saltpetre baths used for the heat treatment of metals or alloys
摘要
申请公布号
GB513002(A)
申请公布日期
1939.10.02
申请号
GB19380009507
申请日期
1938.03.28
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C21D1/607
主分类号
C21D1/607
代理机构
代理人
主权项
地址
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