首页> 外国专利> METHOD FOR MAKING ROOF STRUCTURE OF BIG SPAN BUILT UP OF DOUBLE BEAM SYSTEM SLOPING BEAM FRAMES WITH LATTICE TYPE STRETCHING STRUCTURES MANUFACTURED BY MEANS OF PRESSING

METHOD FOR MAKING ROOF STRUCTURE OF BIG SPAN BUILT UP OF DOUBLE BEAM SYSTEM SLOPING BEAM FRAMES WITH LATTICE TYPE STRETCHING STRUCTURES MANUFACTURED BY MEANS OF PRESSING

机译:用压力法制备的格子型拉伸结构双梁斜框大跨度屋面结构制作方法。

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