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经营范围
发明名称
DIFFERENTIAALVERSTERKERSTELSEL.
摘要
申请公布号
NL164434(C)
申请公布日期
1980.12.15
申请号
NL19740003030
申请日期
1974.03.06
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED, NEW YORK.
发明人
分类号
H03F3/45;H03G1/00;H03G3/10;H03M1/00;H03M1/34
主分类号
H03F3/45
代理机构
代理人
主权项
地址
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