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发明名称
Illuminated flagpole
摘要
申请公布号
US1878447(A)
申请公布日期
1932.09.20
申请号
US19310517140
申请日期
1931.02.20
申请人
PFAFF AND KENDALL
发明人
SUTPHEN ROBERT MORRIS
分类号
E04H12/32;F21V33/00;G09F17/00
主分类号
E04H12/32
代理机构
代理人
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地址
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