| 摘要 |
Connection members for constructional systems based on two extruded sections, one having an undercut channel formation along one face, and the second section have two such channels along one face, are characterized by having a base member which fits into the single channel formation of the first section and a spaced pair of parallel side members which fit in the two channel formations of the second section to be connected to the first, securement of the correction member to the two sections joining the sections together. |
