STB PDF
Plastics - Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures - Part 1- Congo red method. Original standard UNE-ISO 182-1-2025 in PDF full version. Additional info + preview on request
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Rubber, vulcanized or thermoplastic - Determination of shear modulus and adhesion to rigid plates - Quadruple-shear methods. Original standard UNE-ISO 1827-2021 in PDF full version. Additional info + preview on request
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Adventure tourism. Information for participants. Original standard UNE-ISO 21103-2015 in PDF full version. Additional info + preview on request
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Information and documentation. A reference ontology for the interchange of cultural heritage information. Original standard UNE-ISO 21127-2025 in PDF full version. Additional info + preview on request
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Essential oil of clementine (Citrus clementina hort. ex Tanaka syn. Citrus reticulata Blanco × Citrus sinensis (L.) Osbeck), Spanish type Huile essentielle de clémentine (Citrus clementina hort. ex Tanaka syn. Citrus reticulata Blanco × Citrus sinensis (L.) Osbeck), type Espagne. Original standard UNE-ISO 21631-2021 in PDF full version. Additional info + preview on request
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Tourism and related services. Accessible tourism for all. Requirements and recommendations. Original standard UNE-ISO 21902-2021 in PDF full version. Additional info + preview on request
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