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发明名称
Disposable antiseptic telephone mouthpiece protector
摘要
申请公布号
US2607862(A)
申请公布日期
1952.08.19
申请号
US19500193405
申请日期
1950.11.01
申请人
ALBERT PANKEN
发明人
PANKEN ALBERT
分类号
H04R1/12
主分类号
H04R1/12
代理机构
代理人
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地址
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