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发明名称
Sewer cleaning brush and method of fabricating the same
摘要
申请公布号
US3314095(A)
申请公布日期
1967.04.18
申请号
US19650489843
申请日期
1965.09.24
申请人
FLEXIBLE SEWERTOOL CORPORATION
发明人
PRANGE CHARLES J.
分类号
A46B13/00;E03F9/00
主分类号
A46B13/00
代理机构
代理人
主权项
地址
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