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经营范围
发明名称
VARIABLE RATIO MINI BIKE DRIVE
摘要
申请公布号
US3625079(A)
申请公布日期
1971.12.07
申请号
USD3625079
申请日期
1970.09.21
申请人
HOFFCO INC.
发明人
STEPHEN J. HOFF
分类号
B62M25/00;F16H61/662;(IPC1-7):F16H55/52
主分类号
B62M25/00
代理机构
代理人
主权项
地址
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