CH451717A -
Internal gear pump rotor and process for its manufacture
- Google Patents
Internal gear pump rotor and process for its manufacture
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Publication number
CH451717A
CH451717ACH1572766ACH1572766ACH451717ACH 451717 ACH451717 ACH 451717ACH 1572766 ACH1572766 ACH 1572766ACH 1572766 ACH1572766 ACH 1572766ACH 451717 ACH451717 ACH 451717A
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Publication date
Application filed by Eckerle OttofiledCriticalEckerle Otto
Publication of CH451717ApublicationCriticalpatent/CH451717A/en