High strength prestressing steel bar and high strength prestressed concrete pile
Номер патента: GB2198745B
Опубликовано: 19-12-1990
Автор(ы): Hiroyuki KOZUMA, Masamitsu Takei, Tadashi Nishino
Принадлежит: Daido Concrete Co Ltd, Kawatetsu Wire Products Co Ltd
Опубликовано: 19-12-1990
Автор(ы): Hiroyuki KOZUMA, Masamitsu Takei, Tadashi Nishino
Принадлежит: Daido Concrete Co Ltd, Kawatetsu Wire Products Co Ltd
High-strength steel wire material exhibiting excellent cold-drawing properties, and high-strength steel wire
Номер патента: US09540718B2. Автор: Tomonobu Ishida,Nao Yoshihara. Владелец: Kobe Steel Ltd. Дата публикации: 2017-01-10.