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BS

PDF Standards BS 142-3-3.2:1990

Electrical protection relays. Requirements for single input energizing quantity relays-Specification for single input energizing quantity measuring relays with dependent specified time
standard by BSI Group, 12/31/1990

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BS

PDF Standards BS 1449-1-1.2:1991

Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip-Specification for hot rolled steel plate, sheet and wide strip based on formability
standard by BSI Group, 10/31/1991

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