Title:
トンネル用避難装置
Document Type and Number:
Japanese Patent JP6524315
Kind Code:
B2
Inventors:
Masao Nonaga
Nobuhiro Koshii
Hayao Hiraki
Nobuhiro Koshii
Hayao Hiraki
Application Number:
JP2018123135A
Publication Date:
June 05, 2019
Filing Date:
June 28, 2018
Export Citation:
Assignee:
Sanwa Shutter Corporation
International Classes:
E21F11/00; A62B3/00; E05F1/02; E05F11/54
Domestic Patent References:
| JP2011006888A | ||||
| JP2009155913A | ||||
| JP2009184445A | ||||
| JP2011032669A | ||||
| JP2004250971A |
Foreign References:
| US20110103893 |
Attorney, Agent or Firm:
Tetsuo Hirose
Suzuki Yuko
Suzuki Yuko