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发明名称
Truss
摘要
申请公布号
US2080412(A)
申请公布日期
1937.05.18
申请号
US19330676515
申请日期
1933.06.19
申请人
ENGBERG HENRY C
发明人
ENGBERG HENRY C.
分类号
A61F5/24
主分类号
A61F5/24
代理机构
代理人
主权项
地址
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