(1963). Specification for heavy duty electric overhead travelling and special cranes for use in steel works. London: British Standards Institution.
Παραπομπή Chicago StyleSpecification for Heavy Duty Electric Overhead Travelling and Special Cranes for Use in Steel Works. London: British Standards Institution, 1963.
Παραπομπή MLASpecification for Heavy Duty Electric Overhead Travelling and Special Cranes for Use in Steel Works. London: British Standards Institution, 1963.
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