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发明名称
Improvements in or relating to means for affording protection against toxic gases or the like
摘要
申请公布号
GB455593(A)
申请公布日期
1936.10.23
申请号
GB19360013455
申请日期
1936.05.12
申请人
CHARLES HARRY GILL
发明人
分类号
E04H9/10
主分类号
E04H9/10
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