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发明名称
Base for telephone booths
摘要
申请公布号
US2379089(A)
申请公布日期
1945.06.26
申请号
US19420467750
申请日期
1942.12.03
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED;AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
KRUMREICH CHARLES L.;MEEHAN HOWARD W.
分类号
E04H1/14
主分类号
E04H1/14
代理机构
代理人
主权项
地址
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