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发明名称
APPARATUS FOR SLOTTING AND CUTTING PIPE
摘要
申请公布号
CA543940(A)
申请公布日期
1957.07.23
申请号
CAD543940
申请日期
申请人
GULF RESEARCH AND DEVELOPMENT COMPANY
发明人
FLOYD W. PARKER;WILLIAM L. KEHL;MORRIS MUSKAT
分类号
主分类号
代理机构
代理人
主权项
地址
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