supply of compreg wooden and other itemscompreg wooden and other items,compreg wooden packing cum clamp for 20 mm pipe with nut spring washer and bolt half threadedpacking size 100x40x40mm, clamp size 120x40x38mm as per rdso spec. no.c - 9407 and drg no. jhs - sk2630,alt-2. [ warranty period: 30 months after the date of delivery ] , wooden clamp 120x 40x 55 mm with wooden packing 120x40x40 for 32 mm pipe with nut spring washer & bolt half threaded to drg.no. ncr-jhs/sk-2631, alt.4 and rdso spec.no.c - 9407 [rev.3] with amendment no. 4 of july 2019 [ warranty period: 30 months after the date of delivery ] , clamp for pipe 32mm nominal bore to rdso drg. no. wd-04058-s-01, item no.3, alt.4. material and specification as per drg. [ warranty period: 30 months after the date of delivery ] , compreg clamp for 20 mm bore pipe to rdso drg. no. wd-04058-s-1, alt.4, item no.1, mat. and specification as per drg. [ warranty period: 30 months after the date of delivery ] => limited