03 February
know all facts वैक्यूम क्लीनर का आविष्कार किसने किया था , खोज करने वाले का नाम , Vacuum Cleaner was discovered by in hindi ? question : which scientist invented ‘Vacuum Cleaner’ first time ? answer : famous scientist named ‘Hubert Cecil Booth’ is known for discovery of Vacuum Cleaner…