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经营范围
发明名称
Orthodontic bracket
摘要
申请公布号
US2756502(A)
申请公布日期
1956.07.31
申请号
US19550483754
申请日期
1955.01.24
申请人
DRUMM BOWLES VICTOR
发明人
BOWLES VICTOR DRUMM
分类号
A61C7/12;A61C7/14
主分类号
A61C7/12
代理机构
代理人
主权项
地址
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