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发明名称
An improved mask respirator
摘要
申请公布号
GB922077(A)
申请公布日期
1963.03.27
申请号
GB19600031885
申请日期
1960.09.15
申请人
PERCIVAL ROBERT LAGUE;ARTHUR DYNES
发明人
分类号
A41D13/11
主分类号
A41D13/11
代理机构
代理人
主权项
地址
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