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经营范围
发明名称
Dental appliance
摘要
申请公布号
US2152391(A)
申请公布日期
1939.03.28
申请号
US19370121524
申请日期
1937.01.21
申请人
THE ORTHODONTISTS SUPPLY CO. INC.
发明人
SPAHN CHARLES A.
分类号
A61C7/08
主分类号
A61C7/08
代理机构
代理人
主权项
地址
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