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发明名称
VOID FORMER
摘要
申请公布号
SU1068291(A1)
申请公布日期
1984.01.23
申请号
SU19772554517D
申请日期
1977.12.14
申请人
SHVETS PETR B,SU
发明人
SHVETS PETR B,SU
分类号
B28B21/88;(IPC1-7):B28B21/88
主分类号
B28B21/88
代理机构
代理人
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地址
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