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发明名称
Filing device
摘要
申请公布号
US1751025(A)
申请公布日期
1930.03.18
申请号
US19210513360
申请日期
1921.11.07
申请人
BANSCHBACH EDWARD A
发明人
BANSCHBACH EDWARD A.
分类号
A47B63/02
主分类号
A47B63/02
代理机构
代理人
主权项
地址
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