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发明名称
Key fastener
摘要
申请公布号
US1955430(A)
申请公布日期
1934.04.17
申请号
US19330652809
申请日期
1933.01.21
申请人
LUMB ISAAC F;CLASEN HOWARD T
发明人
LUMB ISAAC F.;CLASEN HOWARD T.
分类号
E05B13/04
主分类号
E05B13/04
代理机构
代理人
主权项
地址
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