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 Beijing highway instrument

 Permeability coefficient of concrete
 Permeability coefficient of concrete
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contact information

Beijing Luda Xingwang Construction Machinery Instrument Co., Ltd

Address: Room 203, building 1, yard 16, Wushun Road, Daxing District, Beijing

Sales Hotline: * 13810689795

                  *18911167961

                  *18801232051      

Website: jiankonggongchen.com