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经营范围
发明名称
Combination catalyst screen support and cover
摘要
申请公布号
US2747975(A)
申请公布日期
1956.05.29
申请号
US19530362289
申请日期
1953.06.17
申请人
A. O. SMITH CORPORATION
发明人
THOMPSON PHILLIP A.
分类号
B01J8/00;B01J8/06
主分类号
B01J8/00
代理机构
代理人
主权项
地址
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