Title:
地覆拡幅ユニット及びその施工方法
Document Type and Number:
Japanese Patent JP6621454
Kind Code:
B2
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Inventors:
Ryoichi Shirayama
Application Number:
JP2017194692A
Publication Date:
December 18, 2019
Filing Date:
October 04, 2017
Export Citation:
Assignee:
Shirayama Co., Ltd.
International Classes:
E01D19/12; E01C1/00; E01D1/00; E01D19/10; E01D22/00
Domestic Patent References:
| JP6153187B1 | ||||
| JP2030495Y2 | ||||
| JP6166005B1 | ||||
| JP2001049618A | ||||
| JP2010121281A | ||||
| JP6268324B1 |
Foreign References:
| KR101270951B1 |
Attorney, Agent or Firm:
Natsuka Ito
Umemori Kaoru
Umemori Kaoru