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发明名称
Control shaft
摘要
申请公布号
US2197140(A)
申请公布日期
1940.04.16
申请号
US19370124837
申请日期
1937.02.09
申请人
P. R. MALLORY & CO., INC.
发明人
ARVIN MARION J.
分类号
G05G1/12
主分类号
G05G1/12
代理机构
代理人
主权项
地址
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