Title:
【発明の名称】降雨時等の発破作業における飛石防止方法
Document Type and Number:
Japanese Patent JP2832720
Kind Code:
B2
More Like This:
Inventors:
NAKAJIMA YASUJI
Application Number:
JP33345788A
Publication Date:
December 09, 1998
Filing Date:
December 31, 1988
Export Citation:
Assignee:
NAKAJIMA YASUJI
International Classes:
F42D5/04; F42D1/08; (IPC1-7): F42D1/08; F42D5/04
Domestic Patent References:
| JP5895200A |
Attorney, Agent or Firm:
Mine Mamoru