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API 6A Type 6B 3000 psi(20.7 MPa) Blind RTJ Flange Dimensions and Drawing-3000 psi blind rtj, api 6a 6b 3000 psi, 20.7 mpa-Hebei Metals Industrial Limited
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ANSI B16.5 Alloy 316 Blind Flange Ring Type Joint 4 Inch Class1500 - China piping solution supplier - China piping solution supplier
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