65.060.35;13.080 标准查询与下载

DIN 19684-9:1977 农业水利工程中土壤研究方法.化学实验室试验.土壤中损害植物的硫化物和多硫化合物的测定

Methods of soil investigations for agricultural engineering; chemical laboratory tests; determination of the plant detri-mental sulphides and poly sulphides in the soilEs wird empfohlen, bei den Laboruntersuchungen Fachleute oder Facheinrichtungen einzus

Methods of soil investigations for agricultural engineering; chemical laboratory tests, determination of the plant detrimental sulphides and poly sulphides in the soil

DIN 19672-1:1968 农业工程用土壤取样器.第1部分:原状地层的土壤取样器

Apparatus for drawing soil samples in agricultural engineering; apparatus for soil sampling in undisturbed situation

Apparatus for drawing soil samples in agricultural engineering; apparatus for soil sampling in undisturbed situation

DIN 19672-2:1968 农业工程用土壤取样器.第2部分:泥岩取样和探查用设备

Apparatus for drawing soil samples in agricultural engineering; apparatus for the investigation and drawing of peat samples

Apparatus for drawing soil samples in agricultural engineering; apparatus for the investigation and drawing of peat samples

DIN 19671-2:1964 农业工程用土壤钻具.第2部分:钻杆、旋转式钻孔器、取样勺、沼泽地取样勺、麻花钻

Soil drilling apparatus for drawing soil samples in agricultural engineering; rod, rotating borers, sampling spoon, sampling spoon for marshes, twist drills

Soil drilling apparatur for drawing soil samples in agricultural engineering; rod, rotating borers, sampling spoon, sampling spoon for marshes, twist drills

DIN 19671-1:1964 农业工程用土壤钻具.第1部分:槽形钻孔器和管形钻孔器

Soil drilling apparatus for drawing soil samples in agricultural engineering; groove borers, tube borers

Soil drilling apparatus for drawing soil samples in agricultural engineering; groove borers, tube borers