| 11. | Leather - physical and mechanical tests - determination of flex resistance by flexometer method
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| 12. | Footwear - test methods for uppers and lining - flex resistance ; german version en 13512 : 2001
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| 13. | Leather - physical and mechanical tests - determination of flex resistance by the vamp flex method
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| 14. | Leather - physical and mechanical tests - determination of flex resistance by the vamp flex method
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| 15. | Leather - physical and mechanical tests - determination of flex resistance by the vamp flex method ; german version en 13335 : 2002
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| 16. | Leather - physical and mechanical tests - determination of flex resistance by flexometer method iso 5402 : 2002 ; german version en iso 5402 : 2002
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