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发明名称
Pipe-cleaning snake and operating handle therefor
摘要
申请公布号
US2479224(A)
申请公布日期
1949.08.16
申请号
US19470723125
申请日期
1947.01.20
申请人
FLINN FRANK E
发明人
FLINN FRANK E.
分类号
B08B9/043;E03C1/302
主分类号
B08B9/043
代理机构
代理人
主权项
地址
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