Specification资源列表

[国外标准] JIS Z 8701:1999 Colour specification -- The CIE 1931 standard colorimetric system and the CIE 1964 s

[国外标准] JIS Z 3422-2:2003 Specification and qualification of welding procedures for metallic materials -- We

[国外标准] JIS Z 3421-1:2003 Specification and approval of welding procedures for metallic materials -- Welding

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