Multifunctional cleaning and air-expelling device and manufacturing method thereof

• Main Authors: LAI JIANCHUN, SHEN GUANGYANG, CHEN LIANG
• Format: Patent
• Language: Chinese; English
• Published: 19.11.2019
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS

The embodiment of the invention discloses a multifunctional cleaning and air-expelling device and a manufacturing method thereof. The air-expelling device comprises an air-expelling strip, a cleaningcylinder and a handle, the cross section of the air-expelling strip is rectangular or runway-shaped o...