STM PDF

Original standard ISO 3137-1974 in PDF full version. Additional info + preview on request

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Original standard ISO 3138-1974 in PDF full version. Additional info + preview on request

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Original standard ISO 3139-1976 in PDF full version. Additional info + preview on request

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Original standard ISO 3139-1976 amd1-1980 in PDF full version. Additional info + preview on request

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Original standard ISO 314-1981 in PDF full version. Additional info + preview on request

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Original standard ISO 3140-2019 in PDF full version. Additional info + preview on request

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