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DE674568C Expired / Lapsed DE ⏱️ 0.0 years remaining

Grinding and polishing disc composed of sectors of a fabric

Assignee: OTTO GRATWOHL
•
Filing: 1934-09-04
•
Granted: 1939-04-17
•
Expires: 1954-09-04
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-04 23:20
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08

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