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发明名称
Power driven cutting mechanism having means for movably mounting cutter bits
摘要
申请公布号
US2789806(A)
申请公布日期
1957.04.23
申请号
US19560584139
申请日期
1956.05.10
申请人
BUTTRICK JAMES C
发明人
BUTTRICK JAMES C.
分类号
B23D61/06;E21C35/193
主分类号
B23D61/06
代理机构
代理人
主权项
地址
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