DIN 50506:1973-10

Действует

Chemical analysis of copper and copper alloys; photometric determination of nickel in copper alloys containing 2,5 % of nickel at maximum — 2 стр.

ICS

77.120.30 Copper and copper alloys / Медь и медные сплавы

77.040.30 Chemical analysis of metals / Химический анализ металлов