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发明名称
Joint construction
摘要
申请公布号
US2304481(A)
申请公布日期
1942.12.08
申请号
US19400324881
申请日期
1940.03.19
申请人
SHANNON RANDOLPH W
发明人
SHANNON RANDOLPH W.
分类号
F16B12/50
主分类号
F16B12/50
代理机构
代理人
主权项
地址
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