... .2~50x500~1000x500~2000GB2073-80Electric apparatus,Electrical home appliances,electronic, instrumentand apparatusAg/CuAg &Ag alloy/T ... .2~50x500~100x500~2000GB2073-80Electric apparatus,Electrical home appliances,electronic, instrument and apparatus EtcAu/AgAu &Au ... .2~50x500~1000x500~2000GB2073-80Electric apparatus,Electrical home appliances,electronic, instrument and apparatusZr &steelZr &Zr alloy0 ...