B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/171, 117/235
B32B 15/01 (2006.01) B32B 15/04 (2006.01) G04B 37/22 (2006.01)
Patent
CA 1153258
ABSTRACT The present invention relates to a stratified, corrosion-resistant complex comprising a metal substrate and an outer layer made of a noble material. According to the invention the substrate is composed of an alloy having, by weight at least 45% nickel, at least 7% chromium, and at least 7% molybdenum, all the other com- ponents of the substrate representing at most 15% of the alloy. The invention is particularly useful for making the backs of watch cases.
371381
Dupont (s. T.)
Macrae & Co.
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