... GB-50-A, GB-80-A, GB-80-B, GB-100-A, GB-100-B, GB-150-A, GB-150-B, GB-170-A, GB-170-B, GB-170-C, GB-220-B, GB-220-C, GB ... -30-B, GB ... be attached with one air blaster. GB-08 Type Air Cannon Technical Parameters GB-08 NO.CodeNameQua.MaterialsRemark1 Bulkhead1Reinforced ConcreteCollocation2 ...