[国外标准] BS 7850-2-1994(ISO 9004-4-1993) Total quality management. Guidelines for quality improvement.

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[航空标准] HB 7850-2008 28MPa无扩口45°弯管接头

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[机械行业标准] JB/T 7850-2007 手夹快换接头

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[机械行业标准] JB/T 7850-1995 手夹快换接头

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