bids are invited for surface installation equipment 1 30 coupling material code 153103930 , coupling material code 150001826 , coupling material code 154501430 , coupling material code 150002485 , coupling material code 150009858 , coupling material code 150009859 , coupling material code 150001444 , coupling material code 150002336 , coupling material code 150006349 , coupling material code 150002342 , coupling material code 150002338 , coupling material code 153103842 , coupling material code 153103277 , coupling material code 150002404 , coupling material code 154501440 , coupling material code 154501444 , coupling material code 154501426 , coupling material code 154501428 , coupling material code 154501432 , coupling material code 153103949 , coupling material code 150022016 , coupling material code 150011249 , coupling material code 150006348 , coupling material code 150011250 , coupling material code 150001432 , coupling material code 150009857 , coupling material code 150006962 , coupling material code 150011253 , coupling material code 150011251 , coupling material code 150011252 , coupling material code 150011254 , coupling material code 150011255 , coupling material code 150011256 , coupling material code 150011257 , coupling material code 140307031 , coupling material code 150011258 , coupling material code 150011259 , coupling material code 150002486 , coupling material code 150011260 , coupling material code 150011261 , coupling material code 150011262 , coupling material code 150002487 , coupling material code 150011263 , coupling material code 150011264 procurement of couplings and coupling consumables for total quantity : 304