Lothar von Faber, the great-grandson of the company's founder, took over in 1839 and invented the hexagonal pencil.
企业创始人的曾孙洛泰•冯•法贝尔，1839年接管了企业后，发明了六边形状的铅笔。
Lothar von Faber, the great-grandson of the company's founder, took over in 1839 and invented the hexagonal pencil.
企业创始人的曾孙洛泰•冯•法贝尔，1839年接管了企业后，发明了六边形状的铅笔。
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