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发明名称
FILTER DIFFERENTIAL PRESSURE DETECTOR FOR OIL FEEDING SCREW COMPRESSOR
摘要
申请公布号
JPH01134094(A)
申请公布日期
1989.05.26
申请号
JP19870289363
申请日期
1987.11.18
申请人
HITACHI LTD
发明人
NAKAGAWA KENJI
分类号
F04C18/16;F04C28/28;F04C29/02
主分类号
F04C18/16
代理机构
代理人
主权项
地址
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