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发明名称
Sledge hammer
摘要
申请公布号
US1784683(A)
申请公布日期
1930.12.09
申请号
US19290360701
申请日期
1929.05.06
申请人
FREDERICK SCHWEIGERT
发明人
SCHWEIGERT FREDERICK
分类号
B25D1/02
主分类号
B25D1/02
代理机构
代理人
主权项
地址
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