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经营范围
发明名称
Gas friction pump
摘要
A gas friction pump with rotor and stator, a motor for driving the rotor, and a circuit serving as a power supply to the motor, the circuit having electronic components for representing the current drawn by the motor.
申请公布号
US5285140(A)
申请公布日期
1994.02.08
申请号
US19900620361
申请日期
1990.11.29
申请人
LEYBOLD AKTIENGESELLSCHAFT
发明人
SCHOROTH, ANNO
分类号
F04D19/04;F04B51/00;(IPC1-7):G01R19/00
主分类号
F04D19/04
代理机构
代理人
主权项
地址
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