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经营范围
发明名称
SEWER CLEANER SUCTION PIPE
摘要
申请公布号
US3474484(A)
申请公布日期
1969.10.28
申请号
USD3474484
申请日期
1968.04.24
申请人
CENTRAL ENG. CO. INC.
发明人
BEN DANEMAN
分类号
E03F7/10;(IPC1-7):A47L9/02;A47L9/24
主分类号
E03F7/10
代理机构
代理人
主权项
地址
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