revise the "national piano" (GB / T10159-2008)
2017-08-11 17:34:40 来源：评论：0 点击：

In 2006, Hailun Piano was commissioned by the National Instrument Standardization Center to draft and revise the "national piano " (GB T10159-2008), which is put to use in 2009

海伦钢琴参与起草修订《钢琴》国家标准

相关热词搜索：国家标准钢琴

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revise the "national piano" (GB / T10159-2008) 2017-08-11 17:34:40 来源： 评论：0 点击：

revise the "national piano" (GB / T10159-2008)
2017-08-11 17:34:40 来源：评论：0 点击：