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经营范围
发明名称
Diagnostic audiometer
摘要
申请公布号
US3222456(A)
申请公布日期
1965.12.07
申请号
US19620209476
申请日期
1962.07.12
申请人
ABRAHAM HYMAN
发明人
HYMAN ABRAHAM
分类号
A61B5/12
主分类号
A61B5/12
代理机构
代理人
主权项
地址
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