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| - ng to dangerous items such as knives, scissors, drugs, poison...http://www.google.com/patents/US3834746?utm_source=gb-gplus-sharePatent US3834746 - Drawer and cabinet safety lockAdvanced Patent SearchPublication numberUS3834746 APublication typeGrantPublication dateSep 10, 1974Filing dateDec 20, 1972Priority dateDec 20, 1972Publication numberUS 3834746 A, US 3834746A, US-A-3834746, US3834746 A, US
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