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发明名称
Telephone adapter
摘要
申请公布号
US2048482(A)
申请公布日期
1936.07.21
申请号
US19320612698
申请日期
1932.05.21
申请人
A. H. B. JORDAN
发明人
BABCOCK GARRISON
分类号
H04M1/60
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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