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发明名称
Pompe rotative à engrenage à débits variables
摘要
申请公布号
FR672946(A)
申请公布日期
1930.01.08
申请号
FRD672946
申请日期
1929.04.11
申请人
发明人
FRISCH AUGUST
分类号
F04C2/18;F04C14/18
主分类号
F04C2/18
代理机构
代理人
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地址
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