Title:
可とう継手と管接続方法
Document Type and Number:
Japanese Patent JP4624599
Kind Code:
B2
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| JPH10102525 | MANHOLE |
| JPS605096 | [Title of the device] Manhole auxiliary ladder |
Inventors:
Yasushi Abe
Arai Shunichi
Akio Hashikawa
Arai Shunichi
Akio Hashikawa
Application Number:
JP2001166267A
Publication Date:
February 02, 2011
Filing Date:
June 01, 2001
Export Citation:
Assignee:
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
CK Corporation
CK Corporation
International Classes:
E02D29/12; E03F5/02; F16L5/00; F16L5/02; F16L27/10
Domestic Patent References:
| JP7034052U | ||||
| JP11166244A | ||||
| JP11021930A | ||||
| JP4070384U | ||||
| JP63001089U |
Attorney, Agent or Firm:
Kaoru Watanabe