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>BS 1090:1970 Specification for flameproof hand-held electric drilling machines primarily for use in mines
sklademVydáno: 1970-12-11
BS 1090:1970 Specification for flameproof hand-held electric drilling machines primarily for use in mines

BS 1090:1970

Specification for flameproof hand-held electric drilling machines primarily for use in mines

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Označení normy:BS 1090:1970
Počet stran:12
Vydáno:1970-12-11
ISBN:0 580 06365 8
Status:Standard
DESCRIPTION

BS 1090:1970


This standard BS 1090:1970 Specification for flameproof hand-held electric drilling machines primarily for use in mines is classified in these ICS categories:
  • 29.260.20 Electrical apparatus for explosive atmospheres

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.
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