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经营范围
发明名称
Vacuum Operated Cleaning Apparatus
摘要
申请公布号
CA2123179(A1)
申请公布日期
1995.09.04
申请号
CA19942123179
申请日期
1994.05.09
申请人
GRAHAM, BERNARD J.
发明人
GRAHAM, BERNARD J.
分类号
A47L5/38;(IPC1-7):A47L5/38
主分类号
A47L5/38
代理机构
代理人
主权项
地址
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