ICDD by JCPDS International Centre for Diffraction Data (Track this)
Intl: (009) Electrical and scientific apparatus; (016) Paper goods and printed matter US: 021; 023; 026; 036; 038; 002; 005; 022; 023; 029; 037; 038; 050 Filing date: 19-Oct-1992 Serial number: 74323774