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BRITISH STANDARDBSEN10253-2:2007Butt-welding pipefittings一Part 2:Non alloy and ferritic alloy steelswith specific inspection requirements1话油/8202712700 ISThe European Standard EN 10253-2:2007 has the status of aBritish StandardICs23.040.40出S舒NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBritish Standards
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