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发明名称
Dustless bag emptying attachment
摘要
申请公布号
US2060776(A)
申请公布日期
1936.11.10
申请号
US19350018514
申请日期
1935.04.27
申请人
BENDER EDWARD G
发明人
BENDER EDWARD G.
分类号
A47L9/14
主分类号
A47L9/14
代理机构
代理人
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