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发明名称
Face mask and similar devices having body-conforming means
摘要
申请公布号
GB842642(A)
申请公布日期
1960.07.27
申请号
GB19570001687
申请日期
1957.01.16
申请人
AIR REDUCTION COMPANY, INCORPORATED
发明人
分类号
A61M16/01;A61M16/06;A62B18/02
主分类号
A61M16/01
代理机构
代理人
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