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Application filed by Arthur Dr BahnmayerfiledCriticalArthur Dr Bahnmayer
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Publication of DK31880CpublicationCriticalpatent/DK31880C/da
DK31880D1921-03-211922-03-13Differentialindikator for høje Tryk, navnlig til Optegnelse og Maaling af Tryk ved Nitning, Presning og Trækning.
DK31880C
(da)