Belarus standards PDF

Original standard DD 239-1998 in PDF full version. Additional info + preview on request

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Original standard DD 242-1998 in PDF full version. Additional info + preview on request

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Original standard DD 244-1998 in PDF full version. Additional info + preview on request

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Original standard DD 247-1998 (2007) in PDF full version. Additional info + preview on request

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Original standard DD ENV 1257-2-1998 in PDF full version. Additional info + preview on request

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Original standard DD ENV 12611-1998 in PDF full version. Additional info + preview on request

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