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经营范围
发明名称
Improvements in and relating to ozone apparatus
摘要
申请公布号
GB394504(A)
申请公布日期
1933.06.29
申请号
GB19320022248
申请日期
1932.08.08
申请人
DONALD SIMMONS
发明人
分类号
C01B13/11;C02F1/78
主分类号
C01B13/11
代理机构
代理人
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