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发明名称
Guard for a stack of objects
摘要
申请公布号
US2236175(A)
申请公布日期
1941.03.25
申请号
US19380235694
申请日期
1938.10.18
申请人
ERNEST HAUCK
发明人
HAUCK ERNEST
分类号
E01F15/04;E01F15/14
主分类号
E01F15/04
代理机构
代理人
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地址
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