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发明名称
CONTROLLER FOR ROTATIONAL FREQUENCY OF COMPRESSORS AT GAS PIPELINE BOOSTER STATION
摘要
申请公布号
JPS5440308(A)
申请公布日期
1979.03.29
申请号
JP19770106706
申请日期
1977.09.07
申请人
HITACHI LTD
发明人
TANI YUKIZUMI
分类号
F04B49/06;F04B49/00;F04D27/00
主分类号
F04B49/06
代理机构
代理人
主权项
地址
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