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经营范围
发明名称
Pipe cleaner
摘要
申请公布号
US1863460(A)
申请公布日期
1932.06.14
申请号
US19310556005
申请日期
1931.08.08
申请人
GEORGE AURINGER
发明人
AURINGER GEORGE
分类号
E03C1/302
主分类号
E03C1/302
代理机构
代理人
主权项
地址
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