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GB/T 17904.2-1999
ISDN用户-网络接口数据链路层技术规范及一致性测试方法 第2部分:数据链路层协议一致性测试方法
ISDN user-network interface data link layer specification and conformance testing method--Part 2:Data link layer protocol conformance testing method
GB/T 17831-1999
Non-ionic surface active agents--Determination of sulfated ash--Gravimetric method
GB/T 17412.2-1998
Classification and namenclature schemes of the rocks--Classification and namenclature schemes of sedimentary rock
GB/T 17412.1-1998
Classification and namenclature schemes of the rocks--Classification and namenclature schemes of igneous rock
GB/T 17980.33-2000
Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against pepper anthracnose
GB/T 17980.32-2000
Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against pepper phytophthora blight
GB/T 17980.31-2000
Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against early and late blight of tomato