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发明名称
Tongs
摘要
申请公布号
US2133984(A)
申请公布日期
1938.10.25
申请号
US19360073879
申请日期
1936.04.11
申请人
THE FIRM GEBRUDER HELLER
发明人
GLAS MAURUS
分类号
B21J15/38
主分类号
B21J15/38
代理机构
代理人
主权项
地址
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