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发明名称
Torsional vibration indicator calibrator
摘要
申请公布号
US2522472(A)
申请公布日期
1950.09.12
申请号
US19480037377
申请日期
1948.07.07
申请人
GENERAL MOTORS CORPORATION
发明人
DEGRIFT THOMAS C. VAN
分类号
G01H1/10
主分类号
G01H1/10
代理机构
代理人
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地址
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