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发明名称
Verfahren zur Herstellung von Rohrbogen
摘要
申请公布号
DE583550(C)
申请公布日期
1933.09.05
申请号
DE1931B149182D
申请日期
1931.03.28
申请人
ROHRBOGENWERK G.M.B.H.
发明人
BOEHLING RUDOLF
分类号
B21C37/28;B21D9/12
主分类号
B21C37/28
代理机构
代理人
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地址
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