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经营范围
发明名称
GAS FILTER
摘要
申请公布号
EP0191646(B1)
申请公布日期
1990.05.02
申请号
EP19860301034
申请日期
1986.02.14
申请人
E.R. SQUIBB & SONS, INC.
发明人
STEER, PETER LESLIE
分类号
A61F5/441
主分类号
A61F5/441
代理机构
代理人
主权项
地址
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