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发明名称
NASAL FILTER
摘要
申请公布号
US4052983(A)
申请公布日期
1977.10.11
申请号
US19760743631
申请日期
1976.11.22
申请人
BOVENDER, COY R.
发明人
BOVENDER, COY R.
分类号
A62B23/06;(IPC1-7):A62B7/10
主分类号
A62B23/06
代理机构
代理人
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地址
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