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发明名称
Method of making a composite tube
摘要
申请公布号
US3041719(A)
申请公布日期
1962.07.03
申请号
US19590811048
申请日期
1959.05.05
申请人
ENGELHARD INDUSTRIES, INC.
发明人
HASELTINE ROBERT C.
分类号
B21C37/15;H01P11/00
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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