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发明名称
Method of maintaining a dental varnish dispenser in usable condition
摘要
申请公布号
US2142780(A)
申请公布日期
1939.01.03
申请号
US19360075959
申请日期
1936.04.23
申请人
FORTNEY RUFUS L
发明人
FORTNEY RUFUS L.
分类号
A61C19/00
主分类号
A61C19/00
代理机构
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