MANHOLE COVER FOR INSPECTION AND EXAMINATION, PIPELINE INSPECTION AND EXAMINATION SYSTEM, AND PIPELINE INSPECTION AND EXAMINATION METHOD
To provide a manhole cover for inspection and examination, a pipeline inspection and examination system, and a pipeline inspection and examination method allowing a flying object to continuously fly (that is, to perform inspection and examination) while automatically supplying power locally without...
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Format: | Patent |
Sprache: | eng ; jpn |
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