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Şahadatnama

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

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ASTM test report of AG10

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

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ASTM test report of AG20

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

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ASTM test report of AG30

Patent şahadatnamasy

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