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发明名称
Oxygen distributor
摘要
申请公布号
US2174523(A)
申请公布日期
1939.10.03
申请号
US19370163356
申请日期
1937.09.11
申请人
MANSON FRANK G
发明人
MANSON FRANK G.
分类号
A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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