发明名称 Concrete blasting device with clear wand, stiff brush, recovery cylinder, and recirculating cylinder
摘要 Blasting device includes a blasting medium supply unit and a blasting gun. An extension is provided on the blasting gun, which extension may include a sufficiently clear portion so that the user of the blasting gun may view the surface which is being blasted.
申请公布号 US6848979(B2) 申请公布日期 2005.02.01
申请号 US20010051807 申请日期 2001.12.07
申请人 FENNESSY PAUL MICHAEL 发明人 FENNESSY PAUL MICHAEL
分类号 B24C3/06;B24C7/00;(IPC1-7):B24C9/00;B24C5/04 主分类号 B24C3/06
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