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发明名称
Spill-proof cover mounting for hoppers or containers
摘要
申请公布号
US2718978(A)
申请公布日期
1955.09.27
申请号
US19500197089
申请日期
1950.11.22
申请人
GANDRUD EBENHARD S
发明人
GANDRUD EBENHARD S.
分类号
A01C15/00
主分类号
A01C15/00
代理机构
代理人
主权项
地址
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