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发明名称
REMOVABLE CORE TIP
摘要
申请公布号
CA602921(A)
申请公布日期
1960.08.02
申请号
CAD602921
申请日期
申请人
POWELL RIVER COMPANY LIMITED
发明人
ALEXANDER L. HAY
分类号
主分类号
代理机构
代理人
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地址
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