99.9% B2O3
450元
99%-99.99% B powder
1000元
99.9% B target
960元
99.9% BN target
420元
99% B4C target
99.9% B2O3 powder
1元
99.5% BN powder
99.9% B4C powder
99.9%-99.99% B pellet
99.9% CoFeB target Co:Fe:B=40:40:20 at%
氮化硼 坩埚
99.9% Fe:Nb:B=63:10:27at%
联系客服