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经营范围
发明名称
Breathing apparatus
摘要
申请公布号
US1839980(A)
申请公布日期
1932.01.05
申请号
US19290385154
申请日期
1929.08.12
申请人
AMERICAN ATMOS CORPORATION
发明人
LUCHS FRIEDRICH M.;KOEHLER FREDERICK W.
分类号
A62B9/02
主分类号
A62B9/02
代理机构
代理人
主权项
地址
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