SIS SS 3282-1979 Equipment for working the soil Shanks and shovels for cultivators Main fixing dimensions《农业 土壤耕作设备 中耕机的柄和铲 主要固定尺寸》.pdf

相关资源

SIS SS 3286-1979 Agriculture Equipment for working the soil Continental Cambridge roller《农业 土壤耕作设备 欧式V形滚筒》.pdf

DB42 T 1464-2018 农业土壤生物修复菌剂.pdf

猜你喜欢

JUS H B8 632-1981 Sulphuric acid for industrial use Determination of manganese content Photometric method《工业用硫酸 锰含量测定 光度法》.pdf

JUS H B8 633-1981 Sulphuric acid for industrial use Determination of manganese content Flame atomic absorption method《工业用硫酸 锰含量测定 火焰原子吸收法》.pdf

JUS H B8 634-1981 Sulphuric acid for industrial use Determination of copper content 2 2-biquinolylphotometric method《工业用硫酸和发烟硫酸 铜含量测定 2，2 -联喹啉光度法》.pdf

JUS H B8 635-1981 Sulphuric acid for industrial use Determination of copper content Flame atomic absorption method《工业用硫酸和发烟硫酸 铜含量测定 火焰原子吸收法》.pdf

JUS H B8 636-1981 Sulphuric acid for industrial u se Determination of oxides of nitrogen 2 4-xyleno spectrophotometric method《工业用硫酸 氮氧化物的二甲苯酚分光光度法测定》.pdf

JUS H B8 637-1981 Sulphuric acid for industrial use Determination of ammoniacal nitrogen content Spectrophotometric method《工业用硫酸 氨态氮含量测定 分光光度法》.pdf

JUS H B8 638-1981 Sulphuric acid for industrial use Determination of pe mangan a te reducing substances content Vol u me trk method《工业用硫酸 还原高锰酸钾物质含量的测定 体积法》.pdf

JUS H B8 639-1981 Oleum far industrial use Determination otsuspendedsubstancescontent Gravimetric method《工业用发烟硫酸 悬浮物质含量的测定 重量法》.pdf

JUS H B8 640-1981 Sulphuric acid and oleum for industrial use Determination of sulphur dioxide content lodometric method《工业用硫酸和发烟硫酸 二氧化硫含量的测定 碘量法》.pdf