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经营范围
发明名称
Respirator
摘要
申请公布号
US2894508(A)
申请公布日期
1959.07.14
申请号
US19560585762
申请日期
1956.05.18
申请人
MILES ROBERT L;WAINWRIGHT DAWSON
发明人
MILES ROBERT L.;DAWSON WAINWRIGHT
分类号
A62B18/00
主分类号
A62B18/00
代理机构
代理人
主权项
地址
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