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经营范围
发明名称
A depositing chamber for electric gas purification
摘要
申请公布号
GB463504(A)
申请公布日期
1937.04.01
申请号
GB19360004171
申请日期
1936.02.11
申请人
JOHANNES NAENNI
发明人
分类号
B03C3/40
主分类号
B03C3/40
代理机构
代理人
主权项
地址
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