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发明名称
MANUFACTURE OF ELECTRICAL CONTACTS
摘要
申请公布号
CA539659(A)
申请公布日期
1957.04.16
申请号
CAD539659
申请日期
申请人
D. E. MAKEPEACE COMPANY
发明人
HOWARD E. SPOONER
分类号
主分类号
代理机构
代理人
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