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发明名称
Retaining device for artificial dentures
摘要
申请公布号
US1970474(A)
申请公布日期
1934.08.14
申请号
US19320615227
申请日期
1932.06.03
申请人
RICHARDS WALTER F
发明人
RICHARDS WALTER F.
分类号
A61C13/225;A61C13/271
主分类号
A61C13/225
代理机构
代理人
主权项
地址
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