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API Spec 5CT paipa ngongo korekore
WHAKAMAHI HUA
1. WHAKAMAHI WHAKAMAHI:
Taawha o waho: 42.16 MM -114.3MM(1.66″-41/2″)
MATEO TE PAIA: 3.56-16 MM (2.3 PPF-26.1 PPF)
2.MATERIAL:H40,J55,K55,N80-1,N80-Q,L80-1,L80-9CR,L80-13CR,P110,Q125,ETC.
3. WHAKAMAHI WHAKAMAHI: API 5CT,GBISO 11960,GOST
4.MOMO PAHI: NU,EU,I
5.ROA: R1R2，R3
TE WHAKAMAHI: NDT，EC.RELATED
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