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经营范围
发明名称
Respiratory valve
摘要
申请公布号
US1853373(A)
申请公布日期
1932.04.12
申请号
US19280261964
申请日期
1928.03.15
申请人
RANDOLPH MONRO
发明人
MONRO RANDOLPH
分类号
A62B18/10
主分类号
A62B18/10
代理机构
代理人
主权项
地址
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