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发明名称
PRESSURE SENSITIVE ARTIFICIAL LARYNX
摘要
申请公布号
US3508000(A)
申请公布日期
1970.04.21
申请号
USD3508000
申请日期
1966.04.04
申请人
CALVIN M. SNYDER
发明人
CALVIN M. SNYDER
分类号
A61F2/20;B06B1/04;G02C5/00;G02C11/06;H04R1/46;H04R27/00;(IPC1-7):G10L1/10
主分类号
A61F2/20
代理机构
代理人
主权项
地址
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