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发明名称
Hopper feed apparatus
摘要
申请公布号
US1873377(A)
申请公布日期
1932.08.23
申请号
US19290409276
申请日期
1929.11.23
申请人
ROY H. SMITH
发明人
FRAYER LEE A.
分类号
B65G47/14
主分类号
B65G47/14
代理机构
代理人
主权项
地址
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