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发明名称
Pompe rotative à deux rotors à palettes accouplés
摘要
申请公布号
FR1057478(A)
申请公布日期
1954.03.09
申请号
FRD1057478
申请日期
1952.05.29
申请人
发明人
BOLLIGER HANS
分类号
F04C2/12
主分类号
F04C2/12
代理机构
代理人
主权项
地址
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