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发明名称
Clamp support for flagstaffs
摘要
申请公布号
US2390760(A)
申请公布日期
1945.12.11
申请号
US19430489898
申请日期
1943.06.07
申请人
WATSON WILLIAM U
发明人
WATSON WILLIAM U.
分类号
E04H12/32
主分类号
E04H12/32
代理机构
代理人
主权项
地址
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