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发明名称
PLUG-TYPE NOISE SUPPRESSOR FOR AUDITIVE PROTECTION
摘要
申请公布号
CS217600(B1)
申请公布日期
1983.01.28
申请号
CS19810006330
申请日期
1981.07.24
申请人
KEBL,PAVEL,CS;DOUBEK,SVETOZAR,CS;TREYBAL,JIRI,CS
发明人
KEBL,PAVEL,CS;DOUBEK,SVETOZAR,CS;TREYBAL,JIRI,CS
分类号
(IPC1-7):A61F11/02
主分类号
(IPC1-7):A61F11/02
代理机构
代理人
主权项
地址
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