PIPE CONNECTION UNIT, PIPE CONNECTION DEVICE AND PIPE CONNECTION METHOD

PROBLEM TO BE SOLVED: To perform a pipe connection work in a dug trench without the attendance of an operator in the trench and facilitate the connection of the pipe in a spring area. SOLUTION: A trench 70 is dug and a main track 71 is installed on the ground in parallel with the dug trench 70. A pi...

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Bibliographische Detailangaben
Hauptverfasser: ONO OSAMU, KISHI TAKAO, WATANABE TOSHIO, MURAKAMI YOSHIAKI, HANAOKA KEISHIN, TSUNO TADAAKI, UENO HIROSHI, YAMASHITA TERUO
Format: Patent
Sprache:eng
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