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发明名称
Method of making tubes of truncated-wedge-cross-section
摘要
申请公布号
US3064710(A)
申请公布日期
1962.11.20
申请号
US19580724740
申请日期
1958.03.28
申请人
BRISTOL SIDDELEY ENGINES LIMITED
发明人
WILLIS WILLIAM
分类号
B21C37/15
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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