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  • CJJ/T 272-2017 波形鋼腹板組合梁橋技術(shù)標(biāo)準(zhǔn) Technical standard for composite girder bridges with corrugated st...2023-09-19
  • ASTM F949-2020 Standard Specification for Poly(Vinyl Chloride) (PVC) Corrugated Sewer Pipe With a Smooth In...2023-09-14
  • ASTM F2418-2019 Standard Specification for Polypropylene (PP) Corrugated Wall Stormwater Collection Chamber...2023-09-14
  • ASTM A1105-2017 波紋鋼人孔組件規(guī)格 Standard Specification for Corrugated Steel Manhole Assemblies2023-08-18
  • ASTM A761/A761M-2018 現(xiàn)場栓接管、管拱和拱用鍍鋅波紋結(jié)構(gòu)鋼中厚板規(guī)格 Standard Specification for Corrugated St...2023-07-31
  • GB/T 41486-2022 生活飲用水管道用波紋金屬軟管 Corrugated metal hose assemblies for domestic drinking water pi...2023-07-26
  • GB/T 34567-2017 冷彎波紋鋼管 Cold-formed corrugated steel pipes2023-07-25
  • ASTM D4727/D4727M-2017 波紋實心纖維板坯料(包裝級)和切割形狀規(guī)格 Standard Specification for Corrugated and So...2023-07-14
  • ASTM A929/A929M-2017 波紋鋼管用熱浸金屬鍍層薄鋼板規(guī)格 Standard Specification for Steel Sheet,Metallic-Coated...2023-05-26
  • ASTM B864/B864M-2019 鋁制波紋箱形涵洞規(guī)格 Standard Specification for Corrugated Aluminum Box Culverts...2023-05-25
  • ASTM A929/A929M-2018Standard Specification for Steel Sheet,Metallic-Coated by the Hot-Dip Process for Corrug...2023-04-20
  • GB/T 41317-2022燃氣用具連接用不銹鋼波紋軟管Stainless steel corrugated tubes for the connection of gas applia...2022-10-26
  • GB/T 41486-2022生活飲用水管道用波紋金屬軟管Corrugated metal hose assemblies for domestic drinking water pip...2022-10-26