Modular stair tread and construction method
Application Number 00129539 Application Date 2000.09.28 Publication Number 1346005 Publication Date 2002.04.24 Priority Information International Classification E04F11/02;E04F11/09 Applicant(s) Name Lin Yingbing Address Inventor(s) Name Lin Yingbing Patent Agency Code 72002 Patent Agent li shumeng AbstractThe present invention relates to a modularized stair tread and its construction method. It… Read More »