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19 ноя 2009 г. - Child Safe Door Knob #US2009028652A1 Inventor: Maramba Publication Date: 11.19.2009 Status: Abandoned
Добавлено на ленту времени:
Engineering Patent Timeline
By
Shannon Austria
18 дек 2019
0
0
333
Дата:
19 ноя 2009 г.
Сейчас
~ 15 г назад
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