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发明名称
VORTEX FALSE TWISTER
摘要
申请公布号
CA817102(A)
申请公布日期
1969.07.08
申请号
CAD817102
申请日期
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
FRANCIS J. CLENDENING, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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