Title:
SDH伝送装置
Document Type and Number:
Japanese Patent JP4190972
Kind Code:
B2
Inventors:
Tetsuya Yamamoto
Application Number:
JP2003278047A
Publication Date:
December 03, 2008
Filing Date:
July 23, 2003
Export Citation:
Assignee:
nec Engineering Co., Ltd.
International Classes:
H04J3/00
Domestic Patent References:
| JP7046213A | ||||
| JP4144329A | ||||
| JP2003101501A |
Attorney, Agent or Firm:
Shinsuke Ozeki