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发明名称
Electrical apparatus
摘要
申请公布号
US3046420(A)
申请公布日期
1962.07.24
申请号
US19580784311
申请日期
1958.12.31
申请人
STANDARD OIL COMPANY
发明人
RITZENTHALER BRUCE ALLEN
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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