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发明名称
Post clamp
摘要
申请公布号
US1959230(A)
申请公布日期
1934.05.15
申请号
US19330689989
申请日期
1933.09.18
申请人
OTTO CHRISTOFFERSEN
发明人
CHRISTOFFERSEN OTTO
分类号
E04H17/10
主分类号
E04H17/10
代理机构
代理人
主权项
地址
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