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发明名称
Internal expansion pipe wrench
摘要
申请公布号
US2482501(A)
申请公布日期
1949.09.20
申请号
US19460688023
申请日期
1946.08.02
申请人
ORAVETZ JULIUS R
发明人
ORAVETZ JULIUS R.
分类号
B25B13/50;B25B13/54
主分类号
B25B13/50
代理机构
代理人
主权项
地址
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