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发明名称
Method and apparatus for the manufacture of sections
摘要
申请公布号
US2950376(A)
申请公布日期
1960.08.23
申请号
US19580724060
申请日期
1958.03.26
申请人
ALFRED WOGERBAUER
发明人
WOGERBAUER ALFRED
分类号
B21C37/08
主分类号
B21C37/08
代理机构
代理人
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地址
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