发明授权
EP0563018B1 Equipment for the joining of sections converging at a corner of a metal frame, with gluing between the sections and the internal bracket 失效
装置,用于连接所述轮廓,其在金属框架的拐角处走到一起,与简档和所述内保持器之间胶接接头

Equipment for the joining of sections converging at a corner of a metal frame, with gluing between the sections and the internal bracket
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