普兰德/BRAND零备滴定阀，PTFE材质，适用于25+50ml滴定管，安全阀门SparestopcockPTFEf.Burette25+50ml,lateral,retention货号：BRAND81167品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于25+50ml滴定管Straightstopcockf.Burettecap25+50ml,amber货号：BRAND81247品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于25+50ml滴定管Straightstopcockf.Burettecap25+50ml,PTFE货号：BRAND81248品牌：BRAND

普兰德/BRAND零备滴定阀阀芯，用于Pellet式自动回零滴定管，玻璃阀芯SparekeyforautomaticburettesPelletpattern,glasskey货号：BRAND81255品牌：BRAND

普兰德/BRAND零备滴定阀阀芯，用于Pellet式自动回零滴定管，棕色玻璃阀芯SparekeyforautomaticburettesPelletpattern,brownglasskey货号：BRAND81256品牌：BRAND

普兰德/BRAND零备阀芯，适用于Pellet式自动滴定管，PTFE阀芯SparekeyforautomaticburettesPelletpattern,PTFEkey货号：BRAND81265品牌：BRAND

普兰德/BRAND侧滴型滴定阀，适用于2-10ml,Boro3.3滴定管，玻璃阀芯Lateralstopcockf.Burette2-10ml,Boro3.3,glasskey货号：BRAND81805品牌：BRAND

普兰德/BRAND侧滴型滴定阀，适用于25ml,Boro3.3滴定管，玻璃阀芯Lateralstopcockf.Burette25ml,Boro3.3,glasskey货号：BRAND81807品牌：BRAND

普兰德/BRAND侧滴型滴定阀，适用于50ml,Boro3.3滴定管，玻璃阀芯Lateralstopcockf.Burette50ml,Boro3.3,glasskey货号：BRAND81809品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于2-10ml,Boro3.3滴定管，玻璃阀芯Straightstopcockf.Burette2-10ml,Boro3.3,glasskey货号：BRAND81815品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于25ml,Boro3.3滴定管，玻璃阀芯Straightstopcockf.Burette25ml,Boro3.3,glasskey货号：BRAND81817品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于50ml,Boro3.3滴定管，玻璃阀芯Straightstopcockf.Burette50ml,Boro3.3,glasskey货号：BRAND81819品牌：BRAND

普兰德/BRAND侧滴型滴定阀，适用于25ml滴定管，玻璃阀芯Lateralstopcockf.Burette25ml,glasskey货号：BRAND81907品牌：BRAND

普兰德/BRAND侧滴型滴定阀，适用于50ml滴定管，玻璃阀芯Lateralstopcockf.Burette50ml,glasskey货号：BRAND81909品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于25ml滴定管，玻璃阀芯，棕色Straightstopcockf.Burette25ml,gl.keyamb.货号：BRAND81917品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于50ml滴定管，玻璃阀芯，棕色Straightstopcockf.Burette50ml,gl.keyamb.货号：BRAND81919品牌：BRAND

普兰德/BRAND侧滴型滴定阀，适用于25+50ml滴定管，PTFE阀芯，棕色Lateralstopcockf.Burette25+50ml,PTFEkeyamb.货号：BRAND81927品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于25ml滴定管，PTFE阀芯Straightstopcockf.BuretteCap25ml,PTFE货号：BRAND81937品牌：BRAND

普兰德/BRAND直滴型滴定阀，适用于50ml滴定管，PTFE阀芯Straightstopcockf.BuretteCap50ml,PTFE货号：BRAND81939品牌：BRAND

普兰德/BRAND侧滴型针形滴定阀，适用于2-10ml,Boro3.3滴定管，0-2.5mmLateralneedle-valvestopcockf.Burette2-10ml,Boro3.3,0-2,5mm货号：BRAND82120品牌：BRAND