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发明名称
APPARATUS FOR WELDING PLASTIC FOILS
摘要
申请公布号
PL120579(B1)
申请公布日期
1982.03.31
申请号
PL19790216138
申请日期
1979.06.06
申请人
发明人
分类号
B29C;B65B51/22;(IPC1-7):B65B51/22
主分类号
B29C
代理机构
代理人
主权项
地址
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