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发明名称
Proportioning device
摘要
申请公布号
US2626728(A)
申请公布日期
1953.01.27
申请号
US19490102549
申请日期
1949.07.01
申请人
OMEGA MACHINE COMPANY
发明人
HARPER LYNDUS E.
分类号
G05D11/00
主分类号
G05D11/00
代理机构
代理人
主权项
地址
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