铂溅射靶, Platinum sputtering target

铂丝, Platinum wire

铂丝, Platinum wire

铂线, Platinum wire

铂丝, Platinum wire

Praseodymium powder

镨棒, Praseodymium rod

铼箔, Rhenium foil

铑黑, Rhodium black

铑箔, Rhodium foil