Page 120 - ngk-sytytys-hehkutulpat
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LINE UP                                                    Heat range

         φ                                                Spark plug type
                                                          Terminal shape
                            Heat range                    Center electrode material
                         Spark plug type                  Ground electrode material
                         Terminal shape
                         Center electrode material
                         Ground electrode material

                             Heat range
                          Spark plug type
                          Terminal shape
                          Center electrode material
                          Ground electrode material

         φ

                             Heat range
                          Spark plug type
                          Terminal shape
                          Center electrode material
                          Ground electrode material

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