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经营范围
发明名称
POURING TIP WITH BREATHER FIN
摘要
申请公布号
US3548894(A)
申请公布日期
1970.12.22
申请号
USD3548894
申请日期
1968.09.24
申请人
FRANCES B. HALL
发明人
FRANCES B. HALL
分类号
B01J4/00;B01L3/02;F16L35/00;(IPC1-7):B65B39/00
主分类号
B01J4/00
代理机构
代理人
主权项
地址
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