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发明名称
VALVE AND METHOD FOR OPERATING MECHANICAL TUYERE PUNCHER AND THE LIKE
摘要
申请公布号
CA770402(A)
申请公布日期
1967.10.31
申请号
CAD770402
申请日期
申请人
THE INTERNATIONAL NICKEL COMPANY OF CANADA
发明人
ALBERT C. MAGEE;JAMES N. GRASSBY
分类号
主分类号
代理机构
代理人
主权项
地址
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