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发明名称
Pencil attachment for dialing telephones
摘要
申请公布号
US2601129(A)
申请公布日期
1952.06.17
申请号
US19480042385
申请日期
1948.08.04
申请人
SCRIPTO, INC.
发明人
SAMS HERBERT W.
分类号
H04M1/23
主分类号
H04M1/23
代理机构
代理人
主权项
地址
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