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发明名称
Chemical feeding apparatus
摘要
申请公布号
US2413029(A)
申请公布日期
1946.12.24
申请号
US19410418338
申请日期
1941.11.08
申请人
MCFARLAND MANUFACTURING CORPORATION
发明人
MCFARLAND ARTIE F.
分类号
G05D11/00
主分类号
G05D11/00
代理机构
代理人
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地址
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