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发明名称
Variable angle magnetic drive
摘要
申请公布号
US2840731(A)
申请公布日期
1958.06.24
申请号
US19550501886
申请日期
1955.04.18
申请人
GENERAL MOTORS CORPORATION
发明人
KUPKA EDWARD P.
分类号
E02F3/90;E02F3/92;F16D3/16
主分类号
E02F3/90
代理机构
代理人
主权项
地址
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