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发明名称
Improvements in or relating to self-contained life saving breathing appliances
摘要
申请公布号
GB373523(A)
申请公布日期
1932.05.26
申请号
GB19310028321
申请日期
1931.10.12
申请人
ROBERT HENRY DAVIS
发明人
分类号
A61M16/00
主分类号
A61M16/00
代理机构
代理人
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