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经营范围
发明名称
Chain saw grinding machine
摘要
申请公布号
US2811873(A)
申请公布日期
1957.11.05
申请号
US19540460700
申请日期
1954.10.06
申请人
NIELSEN LEO J
发明人
NIELSEN LEO J.
分类号
B23D63/00;B23D63/16
主分类号
B23D63/00
代理机构
代理人
主权项
地址
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