PROBLEM TO BE SOLVED: To customize a display mode of a piping instrumentation isometric drawing based on instructions by a viewer, and to store information on the customized display mode.;SOLUTION: A piping instrumentation isometric drawing display system 10 is configured in which an isometric drawing display device 2 for displaying a piping instrumentation isometric drawing is connected to a database server 1 for managing a piping instrumentation database 11 via a communication network 3. The isometric drawing display device 2 is equipped with a display/nondisplay information setting section 22 for setting display/nondisplay information about each of piping and a connection element based on information input by the viewer, a display/nondisplay information file 24 for storing the set display/nondisplay information, and an isometric drawing display control section 21 for determining whether or not the previously stored display/nondisplay information is stored in the nondisplay information file 24 for displaying an isometric drawing and, if stored, displaying the isometric drawing based on the display/nondisplay information.;COPYRIGHT: (C)2007,JPO&INPIT
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