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发明名称
METHOD AND APPARATUS FOR MAKING HOLLOW ARTICLES
摘要
申请公布号
CA495978(A)
申请公布日期
1953.09.08
申请号
CAD495978
申请日期
申请人
THE NATIONAL MACHINERY COMPANY
发明人
JOHN H. FRIEDMAN
分类号
主分类号
代理机构
代理人
主权项
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