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发明名称
IMPROVED DRAIN-CLEANING IMPLEMENT
摘要
申请公布号
AU621835(B2)
申请公布日期
1992.03.26
申请号
AU19880023894
申请日期
1988.08.15
申请人
LEWISAN PRODUCTS, INC.
发明人
PAUL S. KAYE
分类号
B08B9/04;E03F9/00;(IPC1-7):B08B9/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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