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发明名称
Procédé pour l'amélioration de la résistance électrique au passage sur les électrodes de carbone
摘要
申请公布号
FR886118(A)
申请公布日期
1943.10.06
申请号
FRD886118
申请日期
1942.09.22
申请人
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER
发明人
分类号
C25B11/12
主分类号
C25B11/12
代理机构
代理人
主权项
地址
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