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经营范围
发明名称
CATALYTIC APPARATUS.
摘要
申请公布号
IE11137(L)
申请公布日期
1930.06.22
申请号
IED11137
申请日期
1929.11.06
申请人
THE SELDEN CO.
发明人
分类号
(IPC1-7):B01J9/04
主分类号
(IPC1-7):B01J9/04
代理机构
代理人
主权项
地址
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