Substratum,hemi-spherical +2V%'{:
Flatness L/2 @633 nm on flat surface or better(specify). PK-}Ldj
Figure irregularity L/10@633nm. hHfe6P
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no chips exceeding #"o6OEy$A#
Thickness specified at the edge, all types. KMpDlit
Substratum BK7 D20×5 PCX f+ 300 mm 2pxWv
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有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!