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发明名称
One-way ratchet brake
摘要
申请公布号
US2463344(A)
申请公布日期
1949.03.01
申请号
US19460686816
申请日期
1946.07.29
申请人
KEITH WILLIAMS
发明人
WILLIAMS KEITH
分类号
B61H13/04
主分类号
B61H13/04
代理机构
代理人
主权项
地址
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