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发明名称
Sprocket wheel
摘要
申请公布号
US3162057(A)
申请公布日期
1964.12.22
申请号
US19620231164
申请日期
1962.10.17
申请人
BURRELL ALFRED A
发明人
BURRELL ALFRED A.
分类号
F16H55/30
主分类号
F16H55/30
代理机构
代理人
主权项
地址
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