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经营范围
发明名称
Coupling tube for inhalators
摘要
申请公布号
US1940135(A)
申请公布日期
1933.12.19
申请号
US19310561121
申请日期
1931.09.04
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
LUCHS FREDERICK M.
分类号
A62B9/04
主分类号
A62B9/04
代理机构
代理人
主权项
地址
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