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发明名称
Ohreinsatzstueck fuer Hoergeraet
摘要
申请公布号
DE1115767(B)
申请公布日期
1961.10.26
申请号
DE1958D027946
申请日期
1958.01.28
申请人
DEUTSCHE PHONAK-GESELLSCHAFT SAPPER & CO.
发明人
SAPPER HELMUT
分类号
H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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