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经营范围
发明名称
DRAIN CLEANING MACHINE
摘要
申请公布号
CA2030417(A1)
申请公布日期
1991.08.21
申请号
CA19902030417
申请日期
1990.11.21
申请人
EMERSON ELECTRIC CO.
发明人
BABB, LARRY F.;RUTKOWSKI, MICHAEL J.
分类号
B08B9/02;B08B9/04;E03F9/00;(IPC1-7):B08B9/04
主分类号
B08B9/02
代理机构
代理人
主权项
地址
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