IN-BUILDING OPTICAL TRANSMISSION LINE

PROBLEM TO BE SOLVED: To provide an in-building optical transmission line adaptabled to the circumstances of an existing building. SOLUTION: The in-building optical transmission line 30 newly installed in the existing building by using an elevator shaft has three kinds of optical cables including: a...

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Bibliographische Detailangaben
1. Verfasser: TABATA HIROYASU
Format: Patent
Sprache:eng
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