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经营范围
发明名称
OIL-LESS COMPRESSOR
摘要
申请公布号
JPH04191475(A)
申请公布日期
1992.07.09
申请号
JP19900319475
申请日期
1990.11.22
申请人
HITACHI KOKI CO LTD
发明人
IIZUKA TSUTOMU;SAITO TAKUMA;NEMOTO TOSHIMI
分类号
F04B39/00;F04B39/12
主分类号
F04B39/00
代理机构
代理人
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地址
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