法兰片---HG/T20592-2009 盲板BL
 
口径HG/T20592-2009 盲板BL
304316L
PH10/16PN10/16
DN151624
DN202032
DN252539
DN343761
DN404268
DN505183
DN6565106
DN8083136
DN100105172
DN125146240
DN150193315
DN200315520
DN250470490790840
DN30059068010001150
DN35076092012901560
DN400960126016202140
DN4501210184020603120
DN5001440262024404440
DN6002330435039547350


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