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发明名称
Device for the protection of animals, infants and the like against poisonous gases, fumes, vapours, dust and similar objectionable substances
摘要
申请公布号
GB508344(A)
申请公布日期
1939.06.29
申请号
GB19380026219
申请日期
1938.09.08
申请人
HERBERT JOHN WRIGHT
发明人
分类号
E04H9/06;E04H9/08
主分类号
E04H9/06
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代理人
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