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发明名称
Change-speed mechanism
摘要
申请公布号
US3318408(A)
申请公布日期
1967.05.09
申请号
US19640396081
申请日期
1964.09.14
申请人
HOPKINS WILLIAM C N
发明人
HOPKINS WILLIAM C. N.
分类号
B62M25/00;F02K1/00;F16H9/24
主分类号
B62M25/00
代理机构
代理人
主权项
地址
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