直通分流衬管,带玻璃毛, 4.0 x 6.3 x 78.5 ,5个/包
商家询价 上海希言科学仪器有限公司
Lumina Hollow Cathode 2" Lamp - Cu
Polypropylene Sample Cups 1.2mL Pkg 2000
TAC-ULP1 超低压阴离子浓缩柱5X23MM
Adjustable Torch Assembly
美国PE 水污染物标准品5% HNO3 125mL N9300211
Waste Pollutant Standards 15 Metal 125mL
GC Injector Adapter Cap Assembly
气相盖垫 BTO X-145 17MM 50个/包
GemTip Tip Kit for Cross-Flow II Neb
Capillary Spltls Gas Liner 4 mm Pkg. 5