"0, . "
the beam directory of british electrical and allied: equipments/ - ed. - london : pergamon press 1968. - ", 307p.; 22 cm."
hard cover
electrical engineering-great britain-1967-68-directories
621. 3 bri
the beam directory of british electrical and allied: equipments/ - ed. - london : pergamon press 1968. - ", 307p.; 22 cm."
hard cover
electrical engineering-great britain-1967-68-directories
621. 3 bri