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经营范围
发明名称
Vacuum pumping apparatus
摘要
申请公布号
GB683275(A)
申请公布日期
1952.11.26
申请号
GB19510020695
申请日期
1951.09.03
申请人
EASTMAN KODAK COMPANY
发明人
分类号
F04F9/00
主分类号
F04F9/00
代理机构
代理人
主权项
地址
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