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发明名称
Advertising door pull
摘要
申请公布号
US2180670(A)
申请公布日期
1939.11.21
申请号
US19390257323
申请日期
1939.02.20
申请人
C. E. ERICKSON COMPANY, INCORPORATED
发明人
ERICKSON ERNEST R.
分类号
G09F13/34
主分类号
G09F13/34
代理机构
代理人
主权项
地址
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