International Organization for Standardization (ISO)
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ISO 5710:1980
Scope
Specifies requirements for the characteristics, dimensions, methods of installation and safety of closed- circuit conveyors. Applies to evacuation devices fitted with scrapers, moving continuously in a closed circuit, inteded to remove solid and liquid manure collected in non- grid covered channels in enclosed stalls. It applies to elevators only in so far as these from part of the circuit.
ISO 5710:1980 history
1980ISO 5710:1980 Equipment for internal farm work and husbandry; Continuous manure scraper conveyors for stalls