information about Vacuum cleaner field
Field Hierarchy
Parent | |||
---|---|---|---|
Physics 33.4M papers | Engineering 25.4M papers | Geography 13.3M papers | Mechanical engineering 5.6M papers |
Thermodynamics 5.1M papers | Meteorology 2.9M papers | Suction 39.4k papers | |
Current | |||
Vacuum cleaner 1,062 papers | |||
Child |
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History