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经营范围
发明名称
Pipe cleaner
摘要
申请公布号
US2135679(A)
申请公布日期
1938.11.08
申请号
US19370157092
申请日期
1937.08.03
申请人
GREENFIELD TAP AND DIE CORPORATION
发明人
SCHWISTER ANTON J.
分类号
A24F9/10
主分类号
A24F9/10
代理机构
代理人
主权项
地址
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