Method for determination of stiffness of the tufted area of toothbrushes
Toothbrushes, Washing and cleansing toiletries, Dental equipment, Dimensions, Bristles, Test equipment, Mechanical testing, Stiffness, Marking, Grading (quality), Testing conditions, Grades (quality), Deflection tests, Brushes
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| Language: | English |
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London
BSI
1989
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