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经营范围
发明名称
MANUFACTURE OF IMPROVED THERMOPLASTIC PIPE
摘要
申请公布号
CA664875(A)
申请公布日期
1963.06.11
申请号
CAD664875
申请日期
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
PAUL D. WOLFE
分类号
主分类号
代理机构
代理人
主权项
地址
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