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发明名称
Improvements in the regulating of spring hammers
摘要
申请公布号
GB660595(A)
申请公布日期
1951.11.07
申请号
GB19480025831
申请日期
1948.10.04
申请人
ERICH ROUCKA
发明人
分类号
B21J7/12
主分类号
B21J7/12
代理机构
代理人
主权项
地址
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