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发明名称
Variable-speed drive
摘要
申请公布号
US2560991(A)
申请公布日期
1951.07.17
申请号
US19440558865
申请日期
1944.10.16
申请人
WHIZZER MOTOR COMPANY, INC.
发明人
SCHURICHT HENRY A.
分类号
A01B71/06;B62M6/10;B62M6/25;B62M9/00
主分类号
A01B71/06
代理机构
代理人
主权项
地址
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