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发明名称
Disinfecting and cleansing device for telephone and like mouthpieces
摘要
申请公布号
US1797135(A)
申请公布日期
1931.03.17
申请号
US19300474020
申请日期
1930.08.08
申请人
VIRGILIO FRASCHETTI
发明人
FRASCHETTI VIRGILIO
分类号
H04R1/12
主分类号
H04R1/12
代理机构
代理人
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