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Application filed by Frederick Christian Rost MaasefiledCriticalFrederick Christian Rost Maase
Priority to DK26648ApriorityCriticalpatent/DK72684C/en
Application grantedgrantedCritical
Publication of DK72684CpublicationCriticalpatent/DK72684C/en
DK26648A1948-01-271948-01-27
Apparatus for adjusting speed measuring instruments, frequency measuring instruments and similar measuring instruments.
DK72684C
(en)