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发明名称
WELDED TUBE
摘要
申请公布号
CA446980(A)
申请公布日期
1948.03.02
申请号
CAD446980
申请日期
申请人
BUNDY TUBING COMPANY
发明人
RAYMOND H. HOBROCK
分类号
主分类号
代理机构
代理人
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