欧美……一区二区三区,欧美日韩亚洲另类视频,亚洲国产欧美日韩中字,日本一区二区三区dvd视频在线

抗蛋白扁平表面pH 測定系統(tǒng) 1022DJF-XS
系統(tǒng)包括用于pH 值對表面含有蛋白質平面的測量， protein guard 抗蛋白 pH 電極。
Guaranteed against damage from exposure to protein for 6 months. details
保證暴露蛋白6 個月無損傷

Protein-Guard Flat Surface pH measurement system
System includes ProteinGuard pH electrode for flat surfaces for measurement of pH on surfaces
which contain proteins.
系統(tǒng)包括用于pH 值對表面含有蛋白質平面的測量， protein guard 抗蛋白 pH 電極。
Guaranteed against damage from exposure to protein for 6 months. details
保證暴露蛋白6 個月無損傷
項目編號
Item number: 1022DJF-XS