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经营范围
发明名称
VACUUM PUMP
摘要
申请公布号
GB1364854(A)
申请公布日期
1974.08.29
申请号
GB19710039375
申请日期
1971.08.23
申请人
CENCO INC
发明人
分类号
F04C28/28;F04C29/02;(IPC1-7):F04C29/02;F04C25/02
主分类号
F04C28/28
代理机构
代理人
主权项
地址
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