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发明名称
Dental cuspidor
摘要
申请公布号
US1948523(A)
申请公布日期
1934.02.27
申请号
US19300476787
申请日期
1930.08.21
申请人
KAHLERT FRED W
发明人
KAHLERT FRED W.
分类号
A61C17/14
主分类号
A61C17/14
代理机构
代理人
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