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    BS+EN+00593-2009+(2010)BSEN593:2009ICS23.060.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDIndustrialvalves—MetallicbutterflyvalvesLicensedcopy:MrsSuseelaP...

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