GB国家标准 GB/T 26707-2011/ISO 9701: 1994 手表和怀表时针、分针和秒针的配合直径 GB/T 26707-2011/ISO 9701: 1994.Wrist and pocket watches-Fitting diameters for hour , minute and seco... 12月09日GB/T 26707 阅读全文