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发明名称
New or improved disinfecting and cleansing device for telephone and like mouthpieces
摘要
申请公布号
GB335577(A)
申请公布日期
1930.09.26
申请号
GB19290019619
申请日期
1929.06.26
申请人
VIRGILIO FRASCHETTI
发明人
分类号
H04R1/12
主分类号
H04R1/12
代理机构
代理人
主权项
地址
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