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发明名称
PENCIL HOLDER FOR TELEPHONE INSTRUMENTS
摘要
申请公布号
CA549480(A)
申请公布日期
1957.11.26
申请号
CAD549480
申请日期
申请人
CHRISTINE E. PERRY
发明人
RAYMOND KIMBALL
分类号
主分类号
代理机构
代理人
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