Methyl 2-(2-ethoxy-1,1-difluoro-2-oxoethyl)benzoate

钴箔, Cobalt foil

钴溅射靶, Cobalt sputtering target

钴线, Cobalt wire

铜粉, Copper powder

铜粉, Copper powder

Copper

铜粒, Copper shot

铜柱, Copper slug

铜薄箔, Copper Thinfoil

铜箔, Copper foil