demonstration pulley block mechanical physics experiment teaching science and education instrument single double three pulley two series connecting wheel_青华科教仪器有限公司

demonstration pulley block mechanical physics experiment teaching science and education instrument single double three pulley two series connecting wheel

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demonstration pulley block mechanical physics experiment teaching science and education instrument single double three pulley two series connecting wheel

演示滑轮组力学物理实验教学科教仪器单双三滑轮二串并连轮

EXW Price: Min. order:

USD $3.39
≥2/piece

USD $3.32
≥50/piece

USD $3.24
≥100/piece

2 piece

Weight 1.0 kg/piece
Item No. 21031

specifications

Specifications

Specifications		Stock
mixed batch(混批)	USD $0.0	999 piece available
60 diameter(60直径)	USD $0.0	999 piece available
40 diameter(40直径)	USD $0.0	999 piece available
50 diameter(50直径)	USD $0.0	999 piece available
65 diameter(65直径)	USD $0.0	999 piece available