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Road vehicles - 50 semi-trailer fifth wheel coupling pin - Basic and mounting/interchangeability dimensions. Original standard ISO 337-1981 in PDF full version. Additional info + preview on request

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Road vehicles - 50 semi-trailer fifth wheel coupling pin - Basic and mounting/interchangeability dimensions - Technical Corrigendum 1. Original standard ISO 337-1981 cor1-1990 in PDF full version. Additional info + preview on request

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Modular units for machine tool construction - Rotary tables and multi-sided centre bases for rotary tables. Original standard ISO 3371-1975 in PDF full version. Additional info + preview on request

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Reinforcement products - Mats and fabrics - Determination of mass per unit area. Original standard ISO 3374-2000 in PDF full version. Additional info + preview on request

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Textile glass - Determination of stiffness of rovings. Original standard ISO 3375-2009 in PDF full version. Additional info + preview on request

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Leather - Physical and mechanical tests - Determination of tensile strength and percentage elongation. Original standard ISO 3376-2020 in PDF full version. Additional info + preview on request

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