Surface active agents. Detergents. Determination of cationic-active matter content. Cationic-active matter of low molecular mass (between 200 and 500)— 12 стр.
Aerospace series. Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated, left hand thread. Classification: 900 MPa (at ambient temperature)/235$0DC— 12 стр.