graphite
crucible
Inner Graphite Crucible內坩堝
clay-graphite crucible黏土石墨坩堝
Hi Purity Graphite Crucible石墨坩堝
High Purity Graphite Crucible高純石墨坩堝
pjrrolytic graphite crucible熱解石墨坩堝
Hi Purity Outer Graphite Crucible高純外石墨坩堝
monolithic graphite crucible整體石墨坩堝
SiC reinforced graphite crucibleSiC強化石墨坩堝
graphite e crucible石墨坩堝