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经营范围
发明名称
Aerating device
摘要
申请公布号
US1920719(A)
申请公布日期
1933.08.01
申请号
US19320585742
申请日期
1932.01.09
申请人
EUGEN STICH
发明人
STICH EUGEN
分类号
C12M1/04
主分类号
C12M1/04
代理机构
代理人
主权项
地址
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