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发明名称
Non-drip insert for bottles
摘要
申请公布号
US2750063(A)
申请公布日期
1956.06.12
申请号
US19550521964
申请日期
1955.07.14
申请人
WILLIAM OPSITNIK
发明人
OPSITNIK WILLIAM
分类号
B65D23/06
主分类号
B65D23/06
代理机构
代理人
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