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经营范围
发明名称
Hand-closable seal
摘要
申请公布号
US2902308(A)
申请公布日期
1959.09.01
申请号
US19570685959
申请日期
1957.09.24
申请人
E. J. BROOKS COMPANY
发明人
MOBERG SIGURD M.
分类号
G09F3/03
主分类号
G09F3/03
代理机构
代理人
主权项
地址
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