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发明名称
Verfahren zur Herstellung von Kontaktwerkstoffen fuer Pendelstromrichter
摘要
申请公布号
DE722475(C)
申请公布日期
1942.07.10
申请号
DE1939T052672D
申请日期
1939.08.10
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
WOLTER GERHARD
分类号
H02M1/28
主分类号
H02M1/28
代理机构
代理人
主权项
地址
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