案例简介：准备好在星期四扔回去了吗？对于 # tbt，我们为您带来了另一个测验: 在19世纪末，刚刚发明了电灯-但远非完美。西门子的哪一项创新改进了灯泡？最重要的是，怎么做？了解siemens.com/innovation-history # siemenshistory ⠀ # 技术

案例简介：Ready to throw it back on a Thursday? For #tbt, we're bringing you another quiz: At the end of the 19th century, electric light had just been invented – but it was far from perfect. Which Siemens innovation improved the light bulb? And most importantly, how? Find out how on siemens.com/innovation-history #siemenshistory ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ #innovation #innovate #siemens #inventions #history #siemenshistory #inventors #innovator #technology

西门子 - Ready to throw it back on a Thursday? For #tbt, we're bringing you another quiz: At the end of the 19th century, electric

案例简介：准备好在星期四扔回去了吗？对于 # tbt，我们为您带来了另一个测验: 在19世纪末，刚刚发明了电灯-但远非完美。西门子的哪一项创新改进了灯泡？最重要的是，怎么做？了解siemens.com/innovation-history # siemenshistory ⠀ # 技术

西门子 - Ready to throw it back on a Thursday? For #tbt, we're bringing you another quiz: At the end of the 19th century, electric

案例简介：Ready to throw it back on a Thursday? For #tbt, we're bringing you another quiz: At the end of the 19th century, electric light had just been invented – but it was far from perfect. Which Siemens innovation improved the light bulb? And most importantly, how? Find out how on siemens.com/innovation-history #siemenshistory ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ #innovation #innovate #siemens #inventions #history #siemenshistory #inventors #innovator #technology

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西门子 - Ready to throw it back on a Thursday? For #tbt, we're bringing you another quiz: At the end of the 19th century, electric

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