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经营范围
发明名称
Résistance électrique
摘要
申请公布号
FR776272(A)
申请公布日期
1935.01.22
申请号
FRD776272
申请日期
1933.10.11
申请人
发明人
MALSALLEZ PAUL
分类号
H01J17/32
主分类号
H01J17/32
代理机构
代理人
主权项
地址
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