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发明名称
Improvements in rotary pumps
摘要
申请公布号
GB439155(A)
申请公布日期
1935.11.29
申请号
GB19350016439
申请日期
1935.06.06
申请人
ROLAND SAINT JACQUES LARAQUE
发明人
分类号
F04C2/32;F04C15/00
主分类号
F04C2/32
代理机构
代理人
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地址
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