| 摘要 |
A handle 2 has an integral connector 7 for connection with a suction hose and hand-grip ribs 13-16. A head 6 projects below the handle 7 with a transverse slot-shaped bottom opening, and a blade 22 extends along the front margin of the opening with a scraping edge projecting below the opening. An upstanding projection at the junction between the head 6 and the handle 2 has a front face which slopes forwardly and downwardly to the blade 22 for applying manual pressure to the scraping head.
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