supply of supply of bellow duct with meta/para aramid fabric bellow duct for lhb ac coaches (eog type ac coaches) conforming to rdso specification no rdso/pe/spec/ac-0197-2020 (rev-0) scope of supply per rmpu consisting of 1 no. of supply air bellow, 2 nos. of fresh air bellows and 2 nos. of return air bellow duct with metallic frames as per rdso drg. no rdso/pe/sk/ac/0069-2004 (rev-3) material to be procured from rdso approved suppliers sidwal refrigoration, concord control, om namah shivaya, pertect techno consultants firm must have to submit the test report, approval copy of rdso and warranty certificate for 60 month as per rdso specification no rdso/pe/spec/ac-0197-2020 (rev-0).supply of bellow duct with meta/para aramid fabric bellow duct for lhb ac coaches (eog type ac coaches) conforming to rdso specification no rdso/pe/spec/ac-0197-2020 (rev-0) scope of supply per rmpu consisting of 1 no. of supply air bellow, 2 nos. of fresh air bellows and 2 nos. of return air bellow duct with metallic frames as per rdso drg. no rdso/pe/sk/ac/0069-2004 (rev-3) material to be procured from rdso approved suppliers sidwal refrigoration, concord control, om namah shivaya, pertect techno consultants firm must have to submit the test report, approval copy of rdso and warranty certificate for 60 month as per rdso specification no rdso/pe/spec/ac-0197-2020 (rev-0).,supply of bellow duct with meta/para aramid fabric bellow duct for lhb ac coaches (eog typ e ac coaches) conforming to rdso specification no rdso/pe/spec/ac-0197-2020 (rev-0) scope of supply per rmpu consisting of 1 no. of supply air bellow, 2 nos. of fresh air bellows and 2 nos. of return air bellow duct with metallic frames as per rdso drg. no rdso/pe/sk/ac/0069-2004 (rev-3) material to be procured from rdso approved suppliers sidwal refrigoration, concord control, om namah shivaya, pert ect techno consultants firm must have to submit the test report, approval copy of rdso and warrant y certificate for 60 month as per