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summary
Numbering of watches and clocks; energy supply, winding mechanism, oscillating system, protective measures and additional functions. (Uhren-Nummerung; Energiequelle, -speicher, Aufzugart, Schwingsystem, Schutzeinrichtungen und Zusatzeinrichtungen.)
Details
Publisher
DIN
File size
331.01 KB
Pages
3
Format
PDF
Publication date
1984-01-01