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发明名称
LABYRINTH SEAL FOR PLASTIC BAGS
摘要
申请公布号
CA690803(A)
申请公布日期
1964.07.14
申请号
CAD690803
申请日期
申请人
T. P. CLOSURES LIMITED
发明人
EDMOND AUGER
分类号
主分类号
代理机构
代理人
主权项
地址
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