string frame meaning in Chinese

串框架, 串帧

Carl ronisch himself was appointed purveyor of the court of saxony , which led to the company bearing the title " carl ronisch court piano factories dresden " , with three crowns on the iron string frame of the piano . 1902 , dresden , germany
罗西尼被任命为宫廷御用制琴师.其制造的钢琴荣获"德莱斯顿省卡尔罗西尼宫廷钢琴制造厂"的勋号;琴内铸铁板上有三个宫廷勋章. 1902年,德国德莱斯顿