| 摘要 |
561,026. Tubular heat exchangers. BOWMAN, E. J. Oct. 29, 1942, No. 15165. [Class 64 (iii)] A water - cooling radiator has gillplates 14 spaced along tubes 18 of steam - line cross - section by U-shaped projections 10 cut and pressed out of the plates. Specification 471,553 is referred to. |
