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发明名称
Feeding device
摘要
申请公布号
US2280656(A)
申请公布日期
1942.04.21
申请号
US19390259519
申请日期
1939.03.03
申请人
NATIONAL ALUMINATE CORPORATION
发明人
MCCOY VERL E.
分类号
B01J3/02
主分类号
B01J3/02
代理机构
代理人
主权项
地址
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