지난 한세기 동안 영국 발명가에 대한 퀴즈
2015-02-20
Wide Web, Catseyes, Fibre Optics, Stainless Steel, Carbon Fibre, DNA Sequencing, the i-limb을... Francis Crick and James Watson 4. Sir Charles K Kao and George Hockham Question 4 Who invented stainless...
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