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发明名称
IMPROVEMENTS IN OR RELATING TO ROTARY MACHINES
摘要
申请公布号
GB8922284(D0)
申请公布日期
1989.11.15
申请号
GB19890022284
申请日期
1989.10.03
申请人
P.D.T. ENGINEERING TECHNOLOGY LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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