Explanatory notes
… 7304.29 - - Other - Other, of circular cross-section, of iron or non-alloy steel : 7304.31 - - Cold-drawn … 7304.39 - - Other - Other, of circular cross-section, of stainless steel : 7304.41 - - Cold-drawn or … process allows tubes of reduced wall thickness to be directly produced) or diameter, also tubes of tighter …