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发明名称
WET-TYPE CARPHONE FOR DIVERS
摘要
申请公布号
PL153508(B2)
申请公布日期
1991.04.30
申请号
PL19880270401
申请日期
1988.01.29
申请人
发明人
分类号
H04R;H04R1/44;H04R13/00;(IPC1-7):H04R1/44
主分类号
H04R
代理机构
代理人
主权项
地址
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