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发明名称
Sanitary mouthpiece cover
摘要
申请公布号
US2055354(A)
申请公布日期
1936.09.22
申请号
US19330704294
申请日期
1933.12.22
申请人
GODEL KALENOFF
发明人
KALENOFF GODEL
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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