| وصف المادة: | v.1: Piping and pressure vessels v.2: Shell and tube heat exchangers; rotating equipment; bins, silos, stacks |
|---|---|
| وصف مادي: | 2 v |
| وصف المادة: | v.1: Piping and pressure vessels v.2: Shell and tube heat exchangers; rotating equipment; bins, silos, stacks |
|---|---|
| وصف مادي: | 2 v |