Putorino kowiri tira
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Astm A335 P91 Momo 2 Tuuturu / P5 / P9 / P11 / P12 / P22
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A213 T22 Seamless Kohikohi Tuuturu / Piki
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Putorino kowiri tira mo te rerenga rerenga whakahaere
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Te hinu pai ki te tarai i te kowiri whakarewa i te 5ct l80 BTC R3
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API 5ct N80 R3 R3 totohu maitai maitai mo te hinu pai
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Astm A106 Gr.B Seamlele putorino mo te wai
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API 5L Seamlel Pipee mo te hau hinu
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API 5L ASMM A106 A333, A335 ranei i nga kowiri waro
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API 5CT, J55, K55, L80, N80 Kohikohi me te ngongo