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发明名称
Pipe cleaning machine
摘要
申请公布号
US3210788(A)
申请公布日期
1965.10.12
申请号
US19640338219
申请日期
1964.01.16
申请人
BROWN OIL TOOLS, INC.
发明人
HOLLIDAY WARREN G.
分类号
B08B9/02
主分类号
B08B9/02
代理机构
代理人
主权项
地址
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