• 07/30163658 DC : 0

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 EN 621 - NON-DOMESTIC GAS-FIRED FORCED CONVECTION AIR HEATERS FOR SPACE HEATING NOT EXCEEDING A NET HEAT INPUT OF 300 KW, WITHOUT A FAN TO ASSIST TRANSPORTATION OF COMBUSTION AIR AND/OR COMBUSTION PRODUCTS

    Publisher:  British Standards Institution

    Published: 

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