JIS B 7913-2007 Optics and optical instruments -- Ancillary devices for geodetic instruments -- Tribrachs《光学和光学仪器 测量仪器用辅助装置 三角台》.pdf

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CB 1085.6-1989 仪器仪表制造工时定额 光学零件加工与光学仪器装配.pdf

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