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经营范围
发明名称
Orthodontia band bracket
摘要
申请公布号
GB430558(A)
申请公布日期
1935.06.20
申请号
GB19340026983
申请日期
1934.09.19
申请人
SIDNEY RICHARDSON;CHARLES EDWARD BOYD
发明人
分类号
A61C7/28
主分类号
A61C7/28
代理机构
代理人
主权项
地址
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