困S懵懂 发表于 2018-5-13 22:28:03

求科普：什么年代开始琴颈有内置钢筋调节的？

求科普：什么年代开始琴颈有内置钢筋调节的？


MaxMeng 发表于 2018-5-14 07:05:54

The first truss rod patent was applied for by Thaddeus McHugh, an employee of the Gibson company, in 1921, though the idea of a "truss rod" appears in patents as early as 1908

https://en.wikipedia.org/wiki/Truss_rod

luoyunxuan007 发表于 2018-5-16 15:03:56

"truss rod" appears in patents as early as 1908
1908年出现

困S懵懂 发表于 2018-5-16 20:45:06

luoyunxuan007 发表于 2018-5-16 15:03
"truss rod" appears in patents as early as 1908
1908年出现

哦，谢谢！！
页: [1]
查看完整版本: 求科普：什么年代开始琴颈有内置钢筋调节的？