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发明名称
Compression brake for hoisting drums
摘要
申请公布号
US1821756(A)
申请公布日期
1931.09.01
申请号
US19290378098
申请日期
1929.07.13
申请人
KENDRICK
发明人
KENDRICK CARL E.;MOORE BERT W.
分类号
B66D5/02
主分类号
B66D5/02
代理机构
代理人
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地址
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