BS 1090:1970
$86.31
Specification for flameproof hand-held electric drilling machines primarily for use in mines
Published By | Publication Date | Number of Pages |
BSI | 1970 | 12 |
ThIS British Standard applies solely to flameproof hand-held electric drilling machines intended primarily for shot-hole drilling in mines.
Construction, motor, switch, cable termination, drill chuck; limits of temperature rise, motor torque, current; high voltage test; mechanical, electrical endurance tests; marking.