information about Vacuum cleaner field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Physics 32.9M papers | Engineering 25.1M papers | Geography 11.7M papers | Mechanical engineering 5.5M papers |
Thermodynamics 5.2M papers | Meteorology 2.7M papers | Suction 39.4k papers | |
| Current | |||
Vacuum cleaner 1,088 papers | |||
| Child | |||
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