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发明名称
Procédé pour le chromage des objets en fer ou en acier
摘要
申请公布号
FR866028(A)
申请公布日期
1941.06.13
申请号
FRD866028
申请日期
1940.06.07
申请人
发明人
BECKER GOTTFRIED;DAEVES KARL;STEINBERG FRITZ
分类号
C23C10/40
主分类号
C23C10/40
代理机构
代理人
主权项
地址
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