Title:
管用保護装置
Document Type and Number:
Japanese Patent JP5512214
Kind Code:
B2
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Inventors:
Masaki Hara
Naoki Kawasaki
Shinji Fujiwara
Naoki Kawasaki
Shinji Fujiwara
Application Number:
JP2009226509A
Publication Date:
June 04, 2014
Filing Date:
September 30, 2009
Export Citation:
Assignee:
Rokuryo Rubber Co., Ltd.
International Classes:
F16L57/00; F16L55/00
Domestic Patent References:
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| JP61087346U | ||||
| JP10318480A | ||||
| JP7217780A | ||||
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| JP8247375A |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office