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发明名称
ELECTRIC CONTACT
摘要
申请公布号
CA441900(A)
申请公布日期
1947.06.03
申请号
CAD441900
申请日期
申请人
P. R. MALLORY AND CO.
发明人
EARL F. SWAZY;VERNON E. HEIL;EARL I. LARSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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