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发明名称
Bøjle til hørebriller.
摘要
申请公布号
DK109150(C)
申请公布日期
1968.03.25
申请号
DK19650004110
申请日期
1965.08.11
申请人
"VIENNATONE HOERGERAETE" ING. KOEHLER UND ING. MAY OFFENE HANDELSGESELLSCHAFT
发明人
分类号
G02C5/14;H04R;H04R25/02;(IPC1-7):H04R25/02
主分类号
G02C5/14
代理机构
代理人
主权项
地址
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