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经营范围
发明名称
Speech diaphragm and exhalation valve
摘要
申请公布号
AU660783(B2)
申请公布日期
1995.07.06
申请号
AU19930036982
申请日期
1993.04.16
申请人
SIEBE NORTH, INC
发明人
NINO M GRANATIERO
分类号
A62B18/02;A62B18/08;A62B18/10;(IPC1-7):A62B9/02;A62B9/06
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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