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发明名称
Приспособление к слуховым наконечникам
摘要
申请公布号
SU31572(A1)
申请公布日期
1933.08.31
申请号
SU19320110969
申请日期
1932.06.13
申请人
VILENKIN L.YA.
发明人
VILENKIN L.YA.
分类号
A61B7/00
主分类号
A61B7/00
代理机构
代理人
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地址
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