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发明名称
Contractometer
摘要
申请公布号
US2634605(A)
申请公布日期
1953.04.14
申请号
US19510216644
申请日期
1951.03.20
申请人
SHEA JOHN E
发明人
SHEA JOHN E.
分类号
G01N7/00
主分类号
G01N7/00
代理机构
代理人
主权项
地址
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