China National Standards

China lens{译} Industry Standards English PDF List

  •  China "lens{译}" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JB/T 14155-2021 Off-axis Fresnel lens{译} {译}
    偏轴菲涅尔透镜    		 China Machinery Industry Standards
    lens{译}
    English PDF

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