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发明名称
Verfahren zur Herstellung eines eckigen Rahmens mit rechtwinkligem Querschnittsprofil
摘要
申请公布号
DE567837(C)
申请公布日期
1933.01.11
申请号
DE1931B150457D
申请日期
1931.06.10
申请人
BUDD INTERNATIONAL CORPORATION
发明人
分类号
B21D53/74;E06B3/96
主分类号
B21D53/74
代理机构
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地址
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