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发明名称
PURIFYING DEVICE FOR AIR AND GAS
摘要
申请公布号
CA311206(A)
申请公布日期
1931.05.12
申请号
CAD311206
申请日期
申请人
HANS KOHL
发明人
HANS KOHL
分类号
主分类号
代理机构
代理人
主权项
地址
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