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发明名称
EINRICHTUNG ZUR VERAENDERUNG DER INDUKTIVITAET EINER GEDRUCKTEN SPULE.
摘要
申请公布号
DE1868393(U)
申请公布日期
1963.03.07
申请号
DE1962O006773U
申请日期
1962.10.25
申请人
OPTA SPEZIAL G.M.B.H.
发明人
分类号
主分类号
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