A Composite Fireproof Structure for Prefabricated Steel Beams
B055-一种装配式钢梁组合防火构造_2022207461704_实用新型专利证书_20220927_00
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A Multifunctional Fastener for H-Steel Beams Without Drilling or Welding
A Composite Fireproof Structure for Prefabricated Steel Columns :
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