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Duplex Steel Spectacle Spade Blind Pipe Flange - China Duplex Spectacle Spade Blind Pipe Flange, Spectacle Spade Blind Pipe Flange B16.5 | Made-in-China.com
Inspection Academy - Spectacle blinds, Spade and spacer -------------------------------------- - Spectacle Blinds (SB) are applied to permanently separating pipe-systems, or to connect with each other, it is a steel plate cut into
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