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发明名称
NONLUBRICATED SCREW COMPRESSOR
摘要
申请公布号
JPH01313686(A)
申请公布日期
1989.12.19
申请号
JP19880141726
申请日期
1988.06.10
申请人
HITACHI LTD
发明人
NISHIMURA HITOSHI
分类号
F04C18/16;F04C29/04
主分类号
F04C18/16
代理机构
代理人
主权项
地址
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