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PDF Standards BS 2654-3:1968

Vertical mild steel welded storage tanks with butt welded shels for petroleum industry. Higher design stresses (supplementary requirements.
standard by BSI Group, 01/09/1970

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BS

PDF Standards BS 142-1.4.1:1990

Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests-1 MHz burst disturbance tests
standard by BSI Group, 08/31/1990

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