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发明名称
Mouthpiece
摘要
申请公布号
US3250272(A)
申请公布日期
1966.05.10
申请号
US19630321560
申请日期
1963.11.05
申请人
SAMUEL GREENBERG
发明人
GREENBERG SAMUEL
分类号
A63B71/08
主分类号
A63B71/08
代理机构
代理人
主权项
地址
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