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发明名称
VARIABLE SPEED SPROCKET
摘要
申请公布号
JPH11241762(A)
申请公布日期
1999.09.07
申请号
JP19980313891
申请日期
1998.09.30
申请人
MATSUI AKIRA
发明人
MATSUI AKIRA
分类号
B66B23/02;F16H7/06;F16H55/30;(IPC1-7):F16H55/30
主分类号
B66B23/02
代理机构
代理人
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