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发明名称
Telephone apparatus
摘要
申请公布号
US2653192(A)
申请公布日期
1953.09.22
申请号
US19490069799
申请日期
1949.01.07
申请人
EDWARD SHIPTON
发明人
SHIPTON EDWARD
分类号
H04M1/02;H04M1/03;H04M1/52
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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