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发明名称
Earphone-microphone-earmuff-assembly
摘要
申请公布号
GB9815401(D0)
申请公布日期
1998.09.16
申请号
GB19980015401
申请日期
1998.07.15
申请人
COTRON CORPORATION
发明人
分类号
A61F11/14;H04R1/10
主分类号
A61F11/14
代理机构
代理人
主权项
地址
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