Golf practice apparatus with adjustable tilt angle

• Main Author: CHEN, DUO-JUN
• Format: Patent
• Language: Chinese; English
• Published: 11.11.2017
• Subjects: AMUSEMENTS; APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING; BALL GAMES; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; GAMES; HUMAN NECESSITIES; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING; SPORTS; TRAINING EQUIPMENT