Vacuum spring tubular chest expander

The utility model discloses a vacuum spring tubular chest expander relates to a sports apparatus technical field, including the pull ring, pull rod, end cover, the O sealing washer that appears, spring pipe etc.. Characterized by: the end cover sets up at spring pipe both ends, and the pull rod is c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG ZINIU, WU RAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES GAMES HUMAN NECESSITIES SPORTS TRAINING EQUIPMENT
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