China National Standards

China Horology—Procedure GB Standards List

  •  China "Horology—Procedure" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 33724-2017 Horology—Procedure for evaluating the accuracy of quartz watches
    钟表 评定石英手表精度的步骤    		 China National Standards
    Horology—Procedure
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