Round bottom flask washer

摘要

(57) Abstract Objective Inner wall top of globose section of round bottom flask, safety,You clean simply. Constitution Brush holder, joins that with vertical stick A and BIt consists of the latch of lower part of ru crossbar and vertical stick A and B. WashingThe brush consists of the handle and the hair, possesses the wheel in the end and center of the handleru. Passing through the latch to the wheel of the handle, it is possible, vertical stick A and B, the crossbarAnd it changes the parallelogram interior angle which designates the handle as 4 arms denselyWith the part of the hair rises and falls.