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经营范围
发明名称
PLASTIC BAGS WITH FLAPS
摘要
申请公布号
CA639709(A)
申请公布日期
1962.04.10
申请号
CAD639709
申请日期
申请人
CANADIAN INDUSTRIES LIMITED
发明人
WILLIAM J. PLANK;HENRY E. CHALK
分类号
主分类号
代理机构
代理人
主权项
地址
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