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经营范围
发明名称
Bovine mouth speculum
摘要
申请公布号
US2257696(A)
申请公布日期
1941.09.30
申请号
US19410372909
申请日期
1941.01.02
申请人
LENT HENRY E
发明人
LENT HENRY E.
分类号
A61D15/00
主分类号
A61D15/00
代理机构
代理人
主权项
地址
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