Original standard ISO 20637-2015 in PDF full version. Additional info + preview on request
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Original standard ISO 20638-2015 in PDF full version. Additional info + preview on request
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Original standard ISO 20639-2015 in PDF full version. Additional info + preview on request
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Original standard ISO 2064-1996 in PDF full version. Additional info + preview on request
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Original standard ISO 20643-2005 in PDF full version. Additional info + preview on request
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Original standard ISO 20643-2005 amd1-2012 in PDF full version. Additional info + preview on request
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