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发明名称
Improvements in and relating to hammers
摘要
申请公布号
GB667320(A)
申请公布日期
1952.02.27
申请号
GB19500004045
申请日期
1950.02.16
申请人
JOHANNES WILLIAM KAHLEN
发明人
分类号
B25D1/02;B25D1/12
主分类号
B25D1/02
代理机构
代理人
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地址
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