Turkmenistan standards

Original standard ANSI AWWA C540-02 in PDF full version. Additional info + preview on request

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Original standard ANSI AWWA C541-16 (2021) in PDF full version. Additional info + preview on request

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Original standard ANSI AWWA C542-16 (2021) in PDF full version. Additional info + preview on request

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Original standard ANSI AWWA C550-17 in PDF full version. Additional info + preview on request

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Original standard ANSI AWWA C560-21 in PDF full version. Additional info + preview on request

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Original standard ANSI AWWA C561-21 in PDF full version. Additional info + preview on request

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