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发明名称
High vacuum diffusion pump
摘要
申请公布号
US2639086(A)
申请公布日期
1953.05.19
申请号
US19510259081
申请日期
1951.11.30
申请人
EASTMAN KODAK COMPANY
发明人
DAYTON BENJAMIN B.
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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