聚苯乙烯测试膜, Polystyrene Test Film

镍蚀刻剂, Nickel etchant for evaporated nickel films

Boron 11

Nickel 61

Viscosity standard

Viscosity standard

氧化镁矩形盘;长 (mm), Magnesium Oxide Rectangular Tray;Length (mm)

氮化硼矩形盘;长 (mm), Boron Nitride Rectangular Plate;Length (mm)

铂标模坩埚, Platinum standard form crucible

铂阳极网缸, Platinum Anode mesh cylinder