铂网, Platinum gauze

铂线, Platinum wire

铂线, Platinum wire

铂丝, Platinum wire

铂丝, Platinum wire

镨锭, Praseodymium ingot

铼粉, Rhenium powder

铼箔, Rhenium foil

铑粉, Rhodium powder

铑箔, Rhodium foil