| 摘要 |
This device relates to a structural material or joint comprising the combination of: a connector capable of connecting a rectangular pipe in an arbitrary direction, a spacer possible to insert into a penetrating hole perforated in the connector, a rectangular pipe which can be connected with a joint rod of the connector, and a pipe which is possible to install to the spacer. Especially, the structural material or joint according to this device relates to those capable of assembling the structures such as wall face in the shop and inside and outside the house, shelf of the ceiling etc., ornamental materials and the skeleton for the wall face and the like briefly and solidly.
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