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发明名称
Advertising sign
摘要
申请公布号
US2324872(A)
申请公布日期
1943.07.20
申请号
US19400362508
申请日期
1940.10.24
申请人
SPECIALTY ENGINEERING COMPANY
发明人
JR. GEORGE W. PARKER,
分类号
A47F5/01
主分类号
A47F5/01
代理机构
代理人
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地址
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