L-39
Citation:
L-39. J. P. Laurent, J. P. Hennechart, D. Spehner and J. Devroc, “Coated hot-and cold-rolled steel sheet comprising a very high resistance after thermal treatment,” US Patent 6,296,805, 2001.
L-39. J. P. Laurent, J. P. Hennechart, D. Spehner and J. Devroc, “Coated hot-and cold-rolled steel sheet comprising a very high resistance after thermal treatment,” US Patent 6,296,805, 2001.