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DE516263C Expired / Lapsed DE ⏱️ 0.0 years remaining

Centrifugal pump without a stuffing box with a rotating element which seals during operation and a valve which seals during standstill and can be moved axially or screw-like on the shaft

Assignee: MAFFEI SCHWARTZKOPFF WERKE
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Filing: 1929-11-09
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Granted: 1931-01-21
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Expires: 1949-11-09
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-30 02:32
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/14; F04D29/146

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