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发明名称
Dental floss holder
摘要
申请公布号
US2098610(A)
申请公布日期
1937.11.09
申请号
US19370141137
申请日期
1937.05.06
申请人
BLUHM CHARLES E
发明人
BLUHM CHARLES E.
分类号
A61C15/04
主分类号
A61C15/04
代理机构
代理人
主权项
地址
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