Timing meter with whistle

The utility model discloses a timing meter with a whistle, which belongs to timing instruments, and particularly relates to a timing meter used in sports competition and sports teaching. The timing meter with the whistle is characterized in that a sliding slot is arranged on the back of the timing m...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN LEWANG, ZHANG SHUFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HOROLOGY MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES PHYSICS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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