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发明名称
Dental flask
摘要
申请公布号
US2448115(A)
申请公布日期
1948.08.31
申请号
US19460709566
申请日期
1946.11.13
申请人
NATHAN OPOTOW
发明人
OPOTOW NATHAN
分类号
A61C13/16
主分类号
A61C13/16
代理机构
代理人
主权项
地址
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