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经营范围
发明名称
Improvements in rotary pumps or engines
摘要
申请公布号
GB788492(A)
申请公布日期
1958.01.02
申请号
GB19560006801
申请日期
1956.03.05
申请人
BERGEDORFER EISENWERK A.G. ASTRA-WERKE
发明人
分类号
F04C23/00;F04C27/02
主分类号
F04C23/00
代理机构
代理人
主权项
地址
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