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发明名称
Artificial denture retainer
摘要
申请公布号
US2258207(A)
申请公布日期
1941.10.07
申请号
US19410383994
申请日期
1941.03.18
申请人
IRWIN GLENN D
发明人
IRWIN GLENN D.
分类号
A61C8/00
主分类号
A61C8/00
代理机构
代理人
主权项
地址
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