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发明名称
Method of packaging annular shaped articles
摘要
申请公布号
US3005542(A)
申请公布日期
1961.10.24
申请号
US19600061741
申请日期
1960.10.10
申请人
W. R. GRACE & CO.
发明人
HARRISON JOHN W.
分类号
B29C61/02;B29C67/00;B65B25/24;B65D85/02;B65D85/06
主分类号
B29C61/02
代理机构
代理人
主权项
地址
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