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发明名称
PERFEZIONAMENTO AGLI APPARECHIO ACUSTICI ENDOAURICOLARI
摘要
申请公布号
IT1210700(B)
申请公布日期
1989.09.20
申请号
IT19820049282
申请日期
1982.10.15
申请人
SOUTH NEWSOUND SRL
发明人
ROMANI CELESTINO
分类号
A61F;(IPC1-7):A61F/
主分类号
A61F
代理机构
代理人
主权项
地址
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