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发明名称
Verfahren zum Verformen einer kalottenfoermigen Verschlussscheibe und Werkzeug zum Durchfuehren des Verfahrens
摘要
申请公布号
DE1120415(B)
申请公布日期
1961.12.28
申请号
DE1959S062850
申请日期
1959.04.30
申请人
GEBRUEDER SULZER AKTIENGESELLSCHAFT
发明人
FRICK WALTER
分类号
B21D39/03
主分类号
B21D39/03
代理机构
代理人
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