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发明名称
CERAMIC SCREW ROTOR AND MANUFACTURE THEREOF
摘要
申请公布号
JPH03100390(A)
申请公布日期
1991.04.25
申请号
JP19890236512
申请日期
1989.09.12
申请人
HITACHI LTD
发明人
YASUTOMI YOSHIYUKI;SAKAI JUNJI;KONDO YASUO
分类号
F04C18/16;C04B38/02
主分类号
F04C18/16
代理机构
代理人
主权项
地址
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