|
2018
|
Invention
|
Steel form. The present invention addresses the problem of providing a steel form that makes it p... |
|
|
Invention
|
Steel-framed concrete beam and construction method of steel-framed concrete beam. The present inv... |
|
2017
|
Invention
|
Deck plate. In order to compensate for a decreased coefficient of friction, to improve quality an... |
|
2016
|
Invention
|
Segment. The purpose of the invention is to allow support for construction in large cross section... |
|
2013
|
Invention
|
Process for producing a projection blackboard. A projection blackboard having both of an excellen... |
|
2005
|
Invention
|
Projection blackboard. A projection blackboard having both of an excellent blackboard function an... |
|
|
Invention
|
Projection blackboard and process for producing the same. ⏧PROBLEMS] To provide a projection... |
|
1998
|
Invention
|
Porcelain-enameled steel sheets and frits for enameling. A porcelain enameled steel sheet compris... |
