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发明名称
Double pressure interdental wedge gum massager
摘要
申请公布号
US2112184(A)
申请公布日期
1938.03.22
申请号
US19340722004
申请日期
1934.04.23
申请人
VOGAN JOHN W
发明人
VOGAN JOHN W.
分类号
A46B5/04
主分类号
A46B5/04
代理机构
代理人
主权项
地址
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