| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a line-including pipe by setting the line of the line-including pipe to an angle memory when executing piping work, and setting the angle memory of the next joint thereto to enable the piping work of 90° and 45° without using a level. <P>SOLUTION: The line-including pipe can be arranged only by setting the line of the pipe to the angle memory of a joint without using the level. <P>COPYRIGHT: (C)2012,JPO&INPIT |
