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发明名称
SPOSOB WYTWARZANIA DWUBORKU CYRKONOWEGO
摘要
申请公布号
PL106781(B3)
申请公布日期
1980.01.31
申请号
PL19740173211
申请日期
1974.08.02
申请人
发明人
分类号
B22F9/00;(IPC1-7):B22F9/00
主分类号
B22F9/00
代理机构
代理人
主权项
地址
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