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发明名称
Dispositif de mise sous pression constante des garnitures de pompes hélicoïdales réversibles
摘要
申请公布号
FR1330890(A)
申请公布日期
1963.06.28
申请号
FR19626942604
申请日期
1962.05.18
申请人
ETABLISSEMENTS BARRIQUAND FRERES
发明人
GUILLERMIN PAUL
分类号
B01J3/00;F04D3/00
主分类号
B01J3/00
代理机构
代理人
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地址
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