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Медь
Медь:
Cu-Ni 90/10, Cu-Ni 70/30
C44300, C44400, C44500, C68700, C70600, C71500, C71520, C71640 (GB/T8890 ASTM B111 BS2871 JIS H3300 DIN1785) и т.д
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Медь:
Cu-Ni 90/10, Cu-Ni 70/30
C44300, C44400, C44500, C68700, C70600, C71500, C71520, C71640 (GB/T8890 ASTM B111 BS2871 JIS H3300 DIN1785) и т.д
Медь: Cu-Ni 90/10, Cu-Ni 70/30 C44300, C44400, C44500, C68700, C70600, C71500, C71520, C71640 (GB/T8890 ASTM B111 BS2871 JIS H3300 DIN1785) и т.д