TY - RPRT TI - Examination of electroformed nickel printing plate samples J-1, J-2, 695-B and 695-T AU - Feinberg, I J PY - 1969 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 10040 DO - 10.6028/NBS.RPT.10040 ER -