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经营范围
发明名称
Improvements in or relating to helical gear pumps
摘要
申请公布号
GB699435(A)
申请公布日期
1953.11.04
申请号
GB19520006596
申请日期
1952.03.13
申请人
MONO PUMPS LIMITED
发明人
分类号
F04C2/107
主分类号
F04C2/107
代理机构
代理人
主权项
地址
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