基本信息
半岛bd体育手机客户端 性质
Sigma-Aldrich
ETHYL N-(2-CARBOXY-5-NITROPHENYL)CARBAMATE
Hastealloy?c-22
Hastelloy?B-corrosion resistant alloy, Ni62Mo28Fe5CrMnSi
Hastelloy?X alloy, Ni49.5Cr22Fe18Mo9Co1W
Havar?-high-strength non-magnetic alloy, Co42.5Cr20Ni13FeWMoMn
Heidolph Reax overhead shaker accessories