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Specification for interconnection of electrical apparatus, constructed to two or more British Standards, for use in mines susceptible to firedamp Ingestion-build-209208 and measurement requirements and severities
Specification for interconnection of electrical apparatus, constructed to two or more British Standards, for use in mines susceptible to firedamp Ingestion-build-209208 and measurement requirements and severities
$166.00
Description
and measurement requirements and severities
This standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association
— legislated OBD: ISO 15031 series
BS EN 490 specifies requirements for concrete roofing tiles and fittings for pitched roof coverings and wall cladding and lining
It excludes filters designed to be effective in the power line carrier (PLC) and radio interference spectra
Specification for interconnection of electrical apparatus, constructed to two or more British Standards, for use in mines susceptible to firedamp Ingestion-build-209208 and measurement requirements and severities
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