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发明名称
WELDED TUBE JOINT
摘要
申请公布号
CA369174(A)
申请公布日期
1937.10.05
申请号
CAD369174
申请日期
申请人
STEEL AND TUBES
发明人
KENNETH V. HART
分类号
主分类号
代理机构
代理人
主权项
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