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发明名称
Control apparatus
摘要
申请公布号
US2421861(A)
申请公布日期
1947.06.10
申请号
US19430500824
申请日期
1943.09.01
申请人
ROCKWOOD & CO.
发明人
ZECH HENRY A.;VACHER RAOUL A.
分类号
G05D7/06
主分类号
G05D7/06
代理机构
代理人
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