B21D- WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL.B21- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL.XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1.239000010687 lubricating oil Substances 0.000 description 1.238000005516 engineering process Methods 0.000 description 1.235000008331 Pinus X rigitaeda Nutrition 0.000 description 1.238000004519 manufacturing process Methods 0.000 abstract description 3.238000003825 pressing Methods 0.000 claims abstract description 9. ![]()
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