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球阀 PN500
球形阀
球形阀 Technical Datasheet
BALL VALVE 3/4" PN315
BALL VALVE DIAM. 20 (3/4) PN315
BALL VALVE MK/8 1-1 / 2 " PN16
BALL VALVE 1" PN 315
BALL VALVE 3/4" PN 315
球阀