JIS资源列表
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[国外标准] JIS B7187-2007 Microfilming of documents on 16 mm and 35 mm silver-gelatin type microfilm-Operating
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[国外标准] JIS B7155-2005 Optics and optical instruments-Telescopic systems-Specifications for astronomical tel
[国外标准] JIS B7187-2007 Microfilming of documents on 16 mm and 35 mm silver-gelatin type microfilm-Operating
[国外标准] JIS B7155-2005 Optics and optical instruments-Telescopic systems-Specifications for astronomical tel