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经营范围
发明名称
Method of forming circumferentially spaced lock thread portions
摘要
申请公布号
US3334365(A)
申请公布日期
1967.08.08
申请号
US19650471784
申请日期
1965.05.26
申请人
ROSAN ENGINEERING CORPORATION
发明人
ROSAN JOSE;TORRE ALBERT JACK LA
分类号
B21H3/00
主分类号
B21H3/00
代理机构
代理人
主权项
地址
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