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omega and ocbfs huangyhg 2009-9-15 0486 huangyhg 2009-9-15 10:29
older steel beam huangyhg 2009-9-15 0502 huangyhg 2009-9-15 10:29
older sips huangyhg 2009-9-15 0504 huangyhg 2009-9-15 10:29
older masonry code provisions huangyhg 2009-9-15 0577 huangyhg 2009-9-15 10:28
older double tee properties huangyhg 2009-9-15 0489 huangyhg 2009-9-15 10:28
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old steel properties huangyhg 2009-9-15 0517 huangyhg 2009-9-15 10:25
old steel joist capacity huangyhg 2009-9-15 0531 huangyhg 2009-9-15 10:24
old steel bar joists with expanded metal lathe and concrete huangyhg 2009-9-15 0754 huangyhg 2009-9-15 10:24
old sheffield bar joists - need info huangyhg 2009-9-15 0529 huangyhg 2009-9-15 10:24
old roof purlin material huangyhg 2009-9-15 0493 huangyhg 2009-9-15 10:23
old roof framing member designations huangyhg 2009-9-15 0515 huangyhg 2009-9-15 10:23
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