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Şahadatnama

ASTM E2358-17 AG10 synag hasabaty Glasshli aýna demir ýol ulgamy

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AG10 ASTM synag hasabaty

ASTM E2358-17 AG20-iň synag hasabaty, ähli aýna demir ýol ulgamy

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AG20-iň ASTM synag hasabaty

ASTM E2358-17 AG30 Daşarky ähli aýna demir ýol ulgamynyň synag hasabaty

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AG30-nyň ASTM synag hasabaty

Patent şahadatnamasy

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