BSI BS 1090:1970

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Flameproof hand held electric drilling machines primarily for use in mines

Best Price Guarantee Dec 11, 1970 English 12 Pages

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BSI BS 1090:1970

Flameproof hand held electric drilling machines primarily for use in mines

PUBLISH DATE 1970
PAGES 12
BSI BS 1090:1970

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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