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发明名称
Stone cutter
摘要
申请公布号
US2982281(A)
申请公布日期
1961.05.02
申请号
US19570697423
申请日期
1957.11.19
申请人
WILLIS JAMES H
发明人
WILLIS JAMES H.
分类号
B28D1/22
主分类号
B28D1/22
代理机构
代理人
主权项
地址
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