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EN545 Nga Paipa rino whakarewa
Rahi Hua: DN80-DN2600
Paerewa Motu: GB/T13295-2003
Paerewa Ao: ISO2531-2009
Paerewa Pakeha: EN545/EN598
Rahi Hua: DN80-DN2600
Paerewa Motu: GB/T13295-2003
Paerewa Ao: ISO2531-2009
Paerewa Pakeha: EN545/EN598