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发明名称
Sack holder
摘要
申请公布号
US2420243(A)
申请公布日期
1947.05.06
申请号
US19450630597
申请日期
1945.11.24
申请人
HELMS CLYDE E
发明人
HELMS CLYDE E.
分类号
B65B67/12
主分类号
B65B67/12
代理机构
代理人
主权项
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