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发明名称
Chain connecter
摘要
申请公布号
US1836169(A)
申请公布日期
1931.12.15
申请号
US19290378292
申请日期
1929.07.15
申请人
HUMPHREYS WALTER G;HUMPHREYS OMAR R
发明人
HUMPHREYS WALTER G.;HUMPHREYS OMAR R.
分类号
E02F3/60
主分类号
E02F3/60
代理机构
代理人
主权项
地址
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