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发明名称
STRUCTURE OF OPENING SECTION OF PLASTIC BAG AND ITS MANUFACTURE
摘要
申请公布号
JPS57104562(A)
申请公布日期
1982.06.29
申请号
JP19800179616
申请日期
1980.12.18
申请人
YAMAGATA GURABIYA:KK
发明人
YAMAGATA KAZUNORI
分类号
B65D33/14;B31B23/00;B65D33/20
主分类号
B65D33/14
代理机构
代理人
主权项
地址
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