div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentgotech-racket-twisting-strength-tester-qbt-2770-this-machine-is-designed-to-determinehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: GOTECH€¦ · RACKET TWISTING STRENGTH TESTER QBT 2770 This machine is designed to determine the resistance of badminton racket and tennis racket to twist A racket is tested in loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader037fdocumentsusreader037viewer2022090608605e9c42ba1c5d5bf7747eeahtml5thumbnails1jpg width=140 height=200 divdiv