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发明名称
Work-holding means
摘要
申请公布号
US2460890(A)
申请公布日期
1949.02.08
申请号
US19460693466
申请日期
1946.08.28
申请人
LASSY CARL O
发明人
LASSY CARL O.
分类号
B23B31/36
主分类号
B23B31/36
代理机构
代理人
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地址
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