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API 5L PSL1 PSL2 Gr.B X42 X52 X60 Laina Paipa Uamea Lavea
Tulaga masani: API SPEC 5L, ISO3183, GB/T9711 Vasega B X42 X52 X56 X60 X65 E PSL1 PSL2;Talosaga: E faʻaaogaina mo le faʻauluina o kesi, vai, ma suauʻu i totonu o suauʻu ma kesi masani.
Tulaga masani: API SPEC 5L, ISO3183, GB/T9711 Vasega B X42 X52 X56 X60 X65 E PSL1 PSL2;Talosaga: E faʻaaogaina mo le faʻauluina o kesi, vai, ma suauʻu i totonu o suauʻu ma kesi masani.