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经营范围
发明名称
Soot remover
摘要
申请公布号
US2622671(A)
申请公布日期
1952.12.23
申请号
US19490103525
申请日期
1949.07.07
申请人
NATIONAL ALUMINATE CORPORATION
发明人
JOHNSON CARL E.
分类号
C10L1/188
主分类号
C10L1/188
代理机构
代理人
主权项
地址
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