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经营范围
发明名称
Transformateur de rayons
摘要
申请公布号
FR931860(A)
申请公布日期
1948.03.05
申请号
FRD931860
申请日期
1946.08.07
申请人
发明人
WIDEROE ROLF
分类号
H05H11/02
主分类号
H05H11/02
代理机构
代理人
主权项
地址
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