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发明名称
(B1) ;METHOD OF MAKING HOLES IN PARTICULAR IN MOULED CYLINDRICAL ARTICLES
摘要
申请公布号
PL206305(A1)
申请公布日期
1979.12.03
申请号
PL19780206305
申请日期
1978.04.22
申请人
INST SZKLA I CERAMIKI
发明人
SZYMANSKI JANUSZ M
分类号
B22C;B28B1/26;B28B1/30;(IPC1-7):B22C/
主分类号
B22C
代理机构
代理人
主权项
地址
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