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经营范围
发明名称
Ammonia absorbent and process of making the same
摘要
申请公布号
US1864988(A)
申请公布日期
1932.06.28
申请号
US19300479919
申请日期
1930.09.05
申请人
DAVIS EMERGENCY EQUIPMENT COMPANY, INCORPORATED
发明人
DOWNS CHARLES RAYMOND
分类号
B01D53/58
主分类号
B01D53/58
代理机构
代理人
主权项
地址
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