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发明名称
Helical spring operator
摘要
申请公布号
US3120291(A)
申请公布日期
1964.02.04
申请号
US19600055627
申请日期
1960.09.13
申请人
G & W ELECTRIC SPECIALTY COMPANY
发明人
NICHOLAS JAMES H.;HARRISON DEAN C.
分类号
F03G1/00;H01H3/30
主分类号
F03G1/00
代理机构
代理人
主权项
地址
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