JIS资源列表
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[国外标准] JIS Z 3871:1987 Standard qualification procedure for ultrasonic testing technique of aluminium and a
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[国外标准] JIS Z 3422-2:2003 Specification and qualification of welding procedures for metallic materials -- We
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[国外标准] JIS Z 3421-1:2003 Specification and approval of welding procedures for metallic materials -- Welding