Turkmenistan standards PDF

Original standard WRC 038-1957 in PDF full version. Additional info + preview on request

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Original standard WRC 039-1958 in PDF full version. Additional info + preview on request

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Original standard WRC 040-1958 in PDF full version. Additional info + preview on request

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Original standard WRC 041-1958 in PDF full version. Additional info + preview on request

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Original standard WRC 042-1958 (1977) in PDF full version. Additional info + preview on request

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Original standard WRC 043-1958 in PDF full version. Additional info + preview on request

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