bids are invited for custom bid for services - mrpl tender no 3300012768 and service code 1032131 for amc for servicing and calibration of density meter make rudolph usa model as per sow and boq and in gem overall total lump sum rate to be quoted considering 2 adivity un.. , custom bid for services - service code 1032132 annual maintenance contract for servicing and calibration of density meter make rudolph usa model ddm2911 s n ddm4172 2 preventive maintenance visits 1 breakdown visit as per sow and boq and in gem overa.. , custom bid for services - service code 1060268 annual maintenance contract for servicing and calibration of density meter make rudolph,usa model ddm 2911 s n 106167 2 preventive maintenance visits 1 breakdown visit as per sow and boq and in gem ove.. - annual maintenance contract for servicing and calibration of densit ymeter,make:rudolph,usa,model:ddm2911,s/n:ddm4178p(2 preventive maintenance visits+ 1 breakdown visit) , annual maintenance contract for servicing and calibration of density meter,make:rudolph,usa,model:ddm2911,s/n:ddm4172(2 preventive maintenance visits+ 1 breakdown visit) , annual maintenance contract for servicing and calibration of density meter,make:rudolph,usa,model:ddm 2911, s/n:106167(2 preventive maintenance visits+ 1 breakdown visit)