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发明名称
METHOD OF AND APPARATUS FOR ORAL HYGIENE
摘要
申请公布号
HK1579(A)
申请公布日期
1979.01.12
申请号
HK19790000015
申请日期
1979.01.04
申请人
INST DE RECHERCHE WOOG
发明人
分类号
A61C17/028;A61H13/00;B05B1/08;(IPC1-7):A61H13/00;A61C17/02;B05B9/00
主分类号
A61C17/028
代理机构
代理人
主权项
地址
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