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The top documents tagged [diving apparatus]
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TRIZ Basics P. H. King, PhD, PE. Genrich Altshuller: born 1926, Tashkent USSR. 9 th grade - patent for diving apparatus 10 th grade - boat w rocket engine
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HISTORYOFTHEDIVEWATCH_PART1_orh07w4u
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Foothills focus 06 05 13
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