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经营范围
发明名称
SEAMLESS PIPE MANUFACTURE
摘要
申请公布号
CA329401(A)
申请公布日期
1933.01.17
申请号
CAD329401
申请日期
申请人
WILLIAM WALLACE NEAR
发明人
WILLIAM WALLACE NEAR
分类号
主分类号
代理机构
代理人
主权项
地址
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