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发明名称
电话音响三段调整装置
摘要
申请公布号
TW006884
申请公布日期
1970.09.01
申请号
TW052007
申请日期
1970.06.01
申请人
林振义
发明人
分类号
H40M
主分类号
H40M
代理机构
代理人
主权项
地址
台北巿重庆北路3段203号之五
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