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经营范围
发明名称
VERY-LOW FREQUENCY GENERATOR
摘要
申请公布号
PL122338(B1)
申请公布日期
1982.07.31
申请号
PL19780206308
申请日期
1978.04.22
申请人
发明人
分类号
H03B;H03B19/00;H03K5/156;(IPC1-7):H03B19/00
主分类号
H03B
代理机构
代理人
主权项
地址
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