information about Perforation field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Engineering 24.4M papers | Materials science 18.5M papers | Composite material 8.8M papers | Mechanical engineering 5.4M papers |
Metallurgy 4.8M papers | Punching 99k papers | ||
| Current | |||
Perforation 92k papers | |||
| Child | |||
Trends