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经营范围
发明名称
Preheating ammonia-air mixtures
摘要
申请公布号
US2201958(A)
申请公布日期
1940.05.21
申请号
US19370178137
申请日期
1937.12.04
申请人
CHEMICAL CONSTRUCTION CORPORATION
发明人
RICHARDSON RALPH S.
分类号
C01B21/26
主分类号
C01B21/26
代理机构
代理人
主权项
地址
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