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发明名称
Hydraulic pipe testing apparatus
摘要
申请公布号
US2780093(A)
申请公布日期
1957.02.05
申请号
US19540433429
申请日期
1954.06.01
申请人
A. O. SMITH CORPORATION
发明人
EWART JOHN C.
分类号
G01M3/28
主分类号
G01M3/28
代理机构
代理人
主权项
地址
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