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发明名称
PROCESS FOR PERFORATING PLASTICS TUBES
摘要
申请公布号
US4112795(A)
申请公布日期
1978.09.12
申请号
US19770859159
申请日期
1977.12.09
申请人
WAVIN B.V.
发明人
DE PUTTER, WARNER JAN
分类号
B26D7/10;B26F1/00;B29C35/16;(IPC1-7):B23B39/20
主分类号
B26D7/10
代理机构
代理人
主权项
地址
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