( en Inventor Juerg Leuthold Pierre-Andre Besse Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US09/745,785 Other versions US6931212B2 Google Patents US20020080453A1 - 3R optical signal regeneration US20020080453A1 - 3R optical signal regeneration
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