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发明名称
Handle
摘要
申请公布号
US2342405(A)
申请公布日期
1944.02.22
申请号
US19410396255
申请日期
1941.06.02
申请人
KEELER BRASS COMPANY
发明人
JOHNSON ROBERT S.
分类号
E05B65/20
主分类号
E05B65/20
代理机构
代理人
主权项
地址
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