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发明名称
Mold engraving machine
摘要
申请公布号
US2026487(A)
申请公布日期
1935.12.31
申请号
US19340741937
申请日期
1934.08.29
申请人
NATIONAL RUBBER MACHINERY COMPANY
发明人
WILLIAMS THOMAS H.
分类号
B23C3/20
主分类号
B23C3/20
代理机构
代理人
主权项
地址
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