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发明名称
VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG MEHRWANDIGER BEUTEL
摘要
申请公布号
AT380430(B)
申请公布日期
1986.05.26
申请号
AT19820002316
申请日期
1982.06.15
申请人
W.R.GRACE & CO.
发明人
分类号
B31B19/60;B31B39/60;(IPC1-7):B31B19/60
主分类号
B31B19/60
代理机构
代理人
主权项
地址
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