STM PDF

Original standard ISO 4970-1979 in PDF full version. Additional info + preview on request

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Original standard ISO 4973-2023 in PDF full version. Additional info + preview on request

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Original standard ISO 4974-2023 in PDF full version. Additional info + preview on request

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Original standard ISO 4975-2022 in PDF full version. Additional info + preview on request

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Original standard ISO 4977-1-1984 in PDF full version. Additional info + preview on request

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Original standard ISO 4977-2-1988 in PDF full version. Additional info + preview on request

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