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发明名称
REAMERS
摘要
申请公布号
CA863171(A)
申请公布日期
1971.02.09
申请号
CAD863171
申请日期
申请人
JOHN DARBYSHIRE AND COMPANY LIMITED
发明人
LESLIE N. DARBYSHIRE
分类号
主分类号
代理机构
代理人
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地址
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