Turkmenistan standards PDF

Original standard API Publ 2524-1992 (2001) in PDF full version. Additional info + preview on request

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Original standard API Publ 2525-1992 in PDF full version. Additional info + preview on request

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Original standard API Publ 2557-1993 in PDF full version. Additional info + preview on request

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Original standard API Publ 2558-1993 (2001) in PDF full version. Additional info + preview on request

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Original standard API Publ 2565-2004 in PDF full version. Additional info + preview on request

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Original standard API Publ 2566-2004 in PDF full version. Additional info + preview on request

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