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发明名称
ADJUSTABLE HEADSET
摘要
申请公布号
US3447160(A)
申请公布日期
1969.06.03
申请号
USD3447160
申请日期
1965.11.29
申请人
TELEX CORP.:THE
发明人
HARRY TEDER
分类号
A61F11/14;H04R1/10;(IPC1-7):A42B1/06;A42B1/00
主分类号
A61F11/14
代理机构
代理人
主权项
地址
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