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发明名称
Sheet metal joint and securing means therefor
摘要
申请公布号
US2172270(A)
申请公布日期
1939.09.05
申请号
US19370154369
申请日期
1937.07.19
申请人
THE KOR-LOK COMPANY
发明人
ANSEL HARRY R.
分类号
E04D3/365
主分类号
E04D3/365
代理机构
代理人
主权项
地址
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