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发明名称
Grain door
摘要
申请公布号
US1895625(A)
申请公布日期
1933.01.31
申请号
US19310545232
申请日期
1931.06.18
申请人
HUMMEL FREDERICK E;FOLEY ANDREW W
发明人
HUMMEL FREDERICK E.;FOLEY ANDREW W.
分类号
B61D19/00
主分类号
B61D19/00
代理机构
代理人
主权项
地址
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