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经营范围
发明名称
Electric vaporizer
摘要
申请公布号
US1922958(A)
申请公布日期
1933.08.15
申请号
US19310565599
申请日期
1931.09.28
申请人
发明人
KATZMAN MAX
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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