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GOST 23862.8-79
Lanthanum, cerium, ytterbium, lutecium, yttrium and their oxides. Chemical-spectral method of determination of impurities in oxides of rare earth elements
Document status: Active
€10
GOST 26364-90
Ferritometers for austenitic steels. General specifications
Document status: Active
€10
GOST 6939-93
Вое and brush-and-bog ploughs. General specifications
Document status: Active
€25