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发明名称
Apparatus for knurling printing rolls
摘要
申请公布号
US2798387(A)
申请公布日期
1957.07.09
申请号
US19530364133
申请日期
1953.06.25
申请人
MONSANTO CHEMICAL COMPANY
发明人
WOODWORTH CHESTER L.
分类号
B23P9/02
主分类号
B23P9/02
代理机构
代理人
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地址
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