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发明名称
Chain tightener
摘要
申请公布号
US1884057(A)
申请公布日期
1932.10.25
申请号
US19300455018
申请日期
1930.05.23
申请人
MCLEAN ALFRED P
发明人
MCLEAN ALFRED P.
分类号
B25B27/22
主分类号
B25B27/22
代理机构
代理人
主权项
地址
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