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发明名称
Method and apparatus for making pipe
摘要
申请公布号
US2959849(A)
申请公布日期
1960.11.15
申请号
US19560609939
申请日期
1956.09.14
申请人
THE YODER COMPANY
发明人
RUBIN NORBERT C.
分类号
B21C37/08
主分类号
B21C37/08
代理机构
代理人
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