QTB Putty flexibility Tester's video
NBCHAOVIDEO911 plays · · 2016-10-25
JINGKELIAN QTB putty flexibility Tester is a kind of putty flexibility Tester used for painting Coating film performance testing, QTB putty flexibility Tester is in line with GB1748-79 standard, QTB includes R25, R50 two specifications support film.
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