E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/3, 70/57, 352
E05B 19/26 (2006.01) E05B 47/00 (2006.01) G06K 19/12 (2006.01)
Patent
CA 1071888
Abstract of the Disclosure A substantially indestructible magnetic card key having an exterior formed completely of metallic material such as stainless steel. In the preferred form, one side of the key is of magnetizable material and the other of nonmagnetizable material to enhance the operation of the key and simplify its encoding.
291268
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