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经营范围
发明名称
Rotary variable volume pump
摘要
申请公布号
GB984255(A)
申请公布日期
1965.02.24
申请号
GB19620048730
申请日期
1962.12.28
申请人
HARTMANN MANUFACTURING CO.
发明人
分类号
F04C14/22;F04D
主分类号
F04C14/22
代理机构
代理人
主权项
地址
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