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发明名称
Apparatus for bringing coil springs to test and relieving strains therein while under load
摘要
申请公布号
US2745658(A)
申请公布日期
1956.05.15
申请号
US19500169966
申请日期
1950.06.23
申请人
GASKINS FRANK W
发明人
GASKINS FRANK W.
分类号
C21D9/02;G01N3/00
主分类号
C21D9/02
代理机构
代理人
主权项
地址
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