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发明名称
Bowstring truss and method of making the same
摘要
申请公布号
US2760450(A)
申请公布日期
1956.08.28
申请号
US19530372262
申请日期
1953.08.04
申请人
EASYBOW ENGINEERING & RESEARCH CO.
发明人
FINDLETON RONALD JAMES
分类号
E04C3/42
主分类号
E04C3/42
代理机构
代理人
主权项
地址
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