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发明名称
VACUUM PUMPS
摘要
<p>VACUUM PUMP An integral vacuum pump for producing ultra-high vacuums including, in combination, axial turbomolecular, centrifugal compressor and vortex diode pumping means.</p>
申请公布号
CA1047464(A)
申请公布日期
1979.01.30
申请号
CA19750231282
申请日期
1975.07.11
申请人
AMERICAN OPTICAL CORPORATION
发明人
SHOULDERS, KENNETH R.
分类号
F04D19/04;G01Q30/12;(IPC1-7):04D21/00
主分类号
F04D19/04
代理机构
代理人
主权项
地址
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