Light steel keel mark which category
What is the world keel and light steel keel? What is the use of ah?
Category 6: 0603, metal building materials, removable metal buildings
Recommendation: If you do not have the same or similar after the standard search, you can choose one of the items in category 6 (the cost of ten does not change), so that the protection is more comprehensive.
I think that belongs to Category 6 and Category 19, light steel keel should be a relatively new material, so when the trademark to improve these two categories, and he is between the metal building materials and non-metallic buildings Between materials.
