发明名称 A scraper with undulating edges complementary to corrugated roofing sheets
摘要 The blade of the scraper has a profile complementary to that of corrugated iron roof sheets and, in use, is aligned in perpendicular fashion.
申请公布号 NZ517835(A) 申请公布日期 2003.03.28
申请号 NZ20020517835 申请日期 2002.03.15
申请人 MURRAY GORDON WATKINS 发明人 WATKINS, MURRAY GORDON
分类号 A47L13/08;B44D3/16;E04F21/00;(IPC1-7):B23D79/02;A47L17/06 主分类号 A47L13/08
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