9. Seamless kila paipu GB / T8162-1999, kila helu: 10 #, 20 #, 35 #, 45 # a me 16Mn (Q345), Specification: 6-720 * 1-70mm 10. Seamless kila paipu no ka lawe ana i ka wai GB / T8163-1999, helu kila: 10 #, 20 #, 16Mn (Q345), Nā kikoʻī: 6-720 * 1-70mm 11. Haʻahaʻa-medium puʻupuʻu paila pahu GB3087 ...
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