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经营范围
发明名称
Dispositif de production d'une tension périodique discontinue
摘要
申请公布号
FR813343(A)
申请公布日期
1937.05.31
申请号
FRD813343
申请日期
1936.02.06
申请人
LA VERRERIE SCIENTIFIQUE
发明人
LENZ PAUL
分类号
H02M1/04
主分类号
H02M1/04
代理机构
代理人
主权项
地址
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