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发明名称
Apparatus for testing springs
摘要
申请公布号
US2776561(A)
申请公布日期
1957.01.08
申请号
US19530372636
申请日期
1953.08.06
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
BROWN RAYMOND W.
分类号
G01N3/00;H01H11/00;H04Q1/20
主分类号
G01N3/00
代理机构
代理人
主权项
地址
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