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发明名称
手电筒变更光色之装置
摘要
申请公布号
TW000718
申请公布日期
1957.06.01
申请号
TW001907
申请日期
1957.01.28
申请人
周万宝
发明人
周万宝
分类号
G02F
主分类号
G02F
代理机构
代理人
主权项
地址
台湾省台北县三重巿三和路2段53号
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