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发明名称
Lifting type of valve tool
摘要
申请公布号
US1928218(A)
申请公布日期
1933.09.26
申请号
US19320613879
申请日期
1932.05.27
申请人
CHURCH ARTHUR E
发明人
CHURCH ARTHUR E.
分类号
B25B27/26
主分类号
B25B27/26
代理机构
代理人
主权项
地址
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