全部
(99.5%-W)
≥99.5%
≥99.9% metals basis, 400nm
≥99% metals basis, 350nm
≥99% metals basis, nanopowder,150-200nm
≥99%, powder,2μm
99.5%
99.9%
99.9% metals basis,
99.9% metals basis,
99.9% metals basis,4
99.9% metals basis,400nm
99.9%,30~50nm
99%
99% trace metals bas
nanopowder, hexagonal, 150-200 nm, ≥99% trace metals basis
powder, 2 μm, ≥99%
powder,99.9% metals basis, <10μm
粉末,99.9% metals basis, <10μm
粒径:100-700nm
纳米粉末, ≥99.9% metals basis, <10μm