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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS 5642-1:1978/A1 - SILLS AND COPINGS - PART 1: SPECIFICATION FOR WINDOW SILLS OF PRECAST CONCRETE, CAST STONE, CLAYWARE, SLATE AND NATURAL STONE

    Publisher:  British Standards Institution

    Published: 

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