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发明名称
OXY-GAS CUTTING METHOD
摘要
申请公布号
CA400844(A)
申请公布日期
1941.11.18
申请号
CAD400844
申请日期
申请人
DOMINION OXYGEN COMPANY
发明人
WESLEY S. WALKER
分类号
主分类号
代理机构
代理人
主权项
地址
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