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发明名称
Process for Pressure-Forging Thickenings on Pipe Ends
摘要
申请公布号
GB1177017(A)
申请公布日期
1970.01.07
申请号
GB19670018821
申请日期
1967.04.24
申请人
HEINRICH HERTEL
发明人
HEINRICH HERTEL;DIETRICH RUPPIN
分类号
B21J5/08
主分类号
B21J5/08
代理机构
代理人
主权项
地址
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