ISO 7256-1:1984现行
Sowing equipment - Test methods Part 1: Single seed drills (precision drills)
出版：International Organization for Standardization
专家解读视频
KS B ISO 7256-1:2014 - Identical
DS ISO 7256-1:1984 - Identical
KS B ISO 7256-1:2004 - Identical
GB/T 6973-2005 - Modified
NFU 24 311:1984 - Identical
BS 6978-1:1988 - Equivalent
UNE 68081:1988 - Identical
