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发明名称
VERFAHREN ZUR HERSTELLUNG EINES ROTORS FUER DREHSCHIEBER-VAKUUMPUMPEN SOWIE NACH DIESEM VERFAHREN HERGESTELLTER ROTOR
摘要
申请公布号
DE2920626(A1)
申请公布日期
1980.11.27
申请号
DE19792920626
申请日期
1979.05.22
申请人
LEYBOLD-HERAEUS GMBH & CO KG
发明人
BERGES,HANNS-PETER,DR.-ING.;KABELITZ,HANS-PETER,DR.-ING.
分类号
F04C2/356;B23P13/02;F01C21/08;F04C2/344;F04C18/344;(IPC1-7):B23P13/00
主分类号
F04C2/356
代理机构
代理人
主权项
地址
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