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经营范围
发明名称
Fume generating and inhaling apparatus
摘要
申请公布号
US1818692(A)
申请公布日期
1931.08.11
申请号
US19240732630
申请日期
1924.08.18
申请人
发明人
CLASS JOHN F.
分类号
A61M11/04
主分类号
A61M11/04
代理机构
代理人
主权项
地址
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