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发明名称
Dispositif d'avance des charbons dans les lampes à arc
摘要
申请公布号
FR972853(A)
申请公布日期
1951.02.05
申请号
FRD972853
申请日期
1941.05.16
申请人
发明人
DEBRIE ANDRE-LEON-VICTOR-CL
分类号
H05B31/00
主分类号
H05B31/00
代理机构
代理人
主权项
地址
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