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发明名称
Auswechselbare Nadelanordnung
摘要
申请公布号
DE1110898(B)
申请公布日期
1961.07.13
申请号
DE1959G026482
申请日期
1959.02.26
申请人
GENERAL ELECTRIC COMPANY
发明人
DALLY ROY
分类号
H04R1/16;H04R11/10
主分类号
H04R1/16
代理机构
代理人
主权项
地址
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