Ọkpọkọ ígwè a na-agbakọta agwakọta
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API 5L GR.B SSAW Paịpụ ígwè: Ike nrụpụta na nkọwapụta ngwaahịa
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ASTM A53 Ọkwa B LSAW Paịpụ ígwè: Ike nrụpụta na nkọwapụta ngwaahịa
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ASTM A252 Ọkwa 2 LSAW Steel Pipe: Ike Mmepụta na Nkọwapụta Ngwaahịa
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EN 10219 S355JRH LSAW Paịpụ ígwè: Ike nrụpụta na nkọwapụta ngwaahịa
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DNV-OS-F101 L450 SAWL Pipeline Subsea Pipeline Steel Pipe: Ike Mmepụta na Nkọwapụta Ngwaahịa
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ASTM A500 Grade C LSAW Steel Pipe: Ike Mmepụta na Nkọwapụta Ngwaahịa
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ASTM A252 Ọkwa 3 LSAW Steel Pipe: Ike Mmepụta na Nkọwapụta Ngwaahịa
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API 5L X70 LSAW Steel Paịpụ: Ike Mmepụta na Nkọwapụta Ngwaahịa
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Ọrụ Ngwakọta API 5L X65 PSL2 LSAW Steel Pipe: Ike Mmepụta na Nkọwapụta Ngwaahịa