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发明名称
An improved holder for dental silk
摘要
申请公布号
GB450921(A)
申请公布日期
1936.07.27
申请号
GB19360003251
申请日期
1936.02.03
申请人
GUILLAUME BARSCH
发明人
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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