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Seamless sockets BSPT Black steel pipe sockets,couplings2017-06-22 09:10:37 |
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Seamless sockets NPT galvanized steel pipe sockets,couplings2017-06-22 09:10:37 |
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Thread sockets Seamless and seam black steel pipe sockets,couplings2017-06-22 09:10:38 |
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