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发明名称
Pretwisted torsion plate spring
摘要
申请公布号
US2238380(A)
申请公布日期
1941.04.15
申请号
US19390290141
申请日期
1939.08.14
申请人
GENERAL MOTORS CORPORATION
发明人
ALMEN JOHN O.
分类号
F16F1/14
主分类号
F16F1/14
代理机构
代理人
主权项
地址
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