STM PDF

Original standard ISO 3970-1977 amd1-1982 in PDF full version. Additional info + preview on request

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Original standard ISO 3971-1977 in PDF full version. Additional info + preview on request

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Original standard ISO 3972-2011 in PDF full version. Additional info + preview on request

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Original standard ISO 3972-2011 cor1-2012 in PDF full version. Additional info + preview on request

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Original standard ISO 3973-1996 in PDF full version. Additional info + preview on request

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Original standard ISO 3974-1977 in PDF full version. Additional info + preview on request

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