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发明名称
Perfectionnements aux pompes à vis
摘要
申请公布号
FR974314(A)
申请公布日期
1951.02.21
申请号
FRD974314
申请日期
1948.10.26
申请人
AKTIEBOLAGET IMO-INDUSTRI
发明人
分类号
F01C21/10;F04C15/00;F04C18/16
主分类号
F01C21/10
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