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Patent Searching and Data


Title:
長スパン光伝送方法
Document Type and Number:
Japanese Patent JP3020633
Kind Code:
B2
Inventors:
吉澤信幸
多田秀信
藪田哲郎
Application Number:
JP6953191A
Publication Date:
March 15, 2000
Filing Date:
March 11, 1991
Export Citation:
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Assignee:
日本電信電話株式会社
International Classes:
H04B10/516; G02B6/00; H04B10/00; H04B10/556; H04B10/61; (IPC1-7): H04B10/00; G02B6/00; H04B10/04; H04B10/06; H04B10/142; H04B10/152
Attorney, Agent or Firm:
杉村 暁秀 (外1名)