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发明名称
An improved device for disinfecting telephone instruments
摘要
申请公布号
GB840790(A)
申请公布日期
1960.07.13
申请号
GB19580017294
申请日期
1958.05.30
申请人
B. ATTEWELL & SONS LIMITED
发明人
ATTEWELL JOHN GRANVILLE
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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