发明名称 IMPROVEMENTS IN OR RELATING TO CARPET SWEEPERS
摘要 A carpet sweeper having the body, end portions, strengthening partition walls and dust trays all integrally moulded from a suitable plastics material, the dust trays being hinged to the body portion along a hinge line formed by a weakened portion of the body material.
申请公布号 ZA7107105(B) 申请公布日期 1972.07.26
申请号 ZA19710007105 申请日期 1971.10.25
申请人 SA BRUSH CO LTD 发明人 SMYTH D;HEARD B
分类号 A47L11/33 主分类号 A47L11/33
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