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发明名称
Improvements in or relating to dental apparatus
摘要
申请公布号
GB345670(A)
申请公布日期
1931.03.17
申请号
GB19290038664
申请日期
1929.12.17
申请人
OSCAR HENRY PIEPER
发明人
分类号
A61C1/00
主分类号
A61C1/00
代理机构
代理人
主权项
地址
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