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发明名称
Combination stopper and pourer with valving means
摘要
申请公布号
US2755952(A)
申请公布日期
1956.07.24
申请号
US19540416266
申请日期
1954.03.15
申请人
RINGEN WILLIAM C
发明人
RINGEN WILLIAM C.
分类号
B65D47/20;B65D47/24
主分类号
B65D47/20
代理机构
代理人
主权项
地址
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