| 摘要 |
PCT No. PCT/EP97/06724 Sec. 371 Date Feb. 4, 1999 Sec. 102(e) Date Feb. 4, 1999 PCT Filed Dec. 1, 1997 PCT Pub. No. WO98/24560 PCT Pub. Date Jun. 11, 1998Process for repairing plastic coatings of metal pipes that allows one to make the repair using only a flame as a source of heat, including the application of protective shields during specific operating phases of the process. |
