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发明名称
Apparatus for rolling tubes
摘要
申请公布号
US2778253(A)
申请公布日期
1957.01.22
申请号
US19550480750
申请日期
1955.01.10
申请人
BENJAMIN BROWNSTEIN
发明人
BROWNSTEIN BENJAMIN
分类号
B21B25/00
主分类号
B21B25/00
代理机构
代理人
主权项
地址
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