| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe component being suitable for piping construction work by use of an electrofusion joint. SOLUTION: The pipe component provided with four bends and two substantially Z character parts integrally and capable of utilizing the electrofusion joint and the pipe component provided with three bends, one substantially Z character part, and one elbow integrally are systematically manufactured. Construction time can be greatly shortened by using these pipe components. COPYRIGHT: (C)2007,JPO&INPIT
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