[机械行业标准] JB/T 5284-2010 隔爆型刮刀卸料离心机
[国外标准] BS 5284-1993 Methods of sampling and testing mastic asphalt used in building and civil engineering
[化工行业标准] HG/T 5284-2017 静电防止剂 P
[国家标准] GB/T 5284-2017 开槽半沉头自攻螺钉
[农业行业标准] NY 5284-2004 无公害食品 青虾
[国家标准] GB 5284-1985 开槽半沉头自攻螺钉