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发明名称
Lubrication of mandrels for tube extrusion
摘要
申请公布号
US3153482(A)
申请公布日期
1964.10.20
申请号
US19630287161
申请日期
1963.06.11
申请人
BUNTZ BILLIE J;UNNERSTALL LESTER A
发明人
BUNTZ BILLIE J.;UNNERSTALL LESTER A.
分类号
B21C23/32
主分类号
B21C23/32
代理机构
代理人
主权项
地址
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