Title:
排土式先端形状を有する鋼管杭の製造方法
Document Type and Number:
Japanese Patent JP5959445
Kind Code:
B2
Inventors:
Toru Fujita
Takekawa Masashi
Takekawa Masashi
Application Number:
JP2013004361A
Publication Date:
August 02, 2016
Filing Date:
January 15, 2013
Export Citation:
Assignee:
Futaba Industry Co., Ltd.
International Classes:
E02D5/72; E02D5/56
Domestic Patent References:
| JP2003105759A | ||||
| JP6132288U | ||||
| JP2009243096A |
Attorney, Agent or Firm:
Seiji Sugiyama