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发明名称
摘要
申请公布号
PL223829(A1)
申请公布日期
1981.10.30
申请号
PL19800223829
申请日期
1980.04.26
申请人
KOPALNIA WEGLA KAMIENNEGO BORY
发明人
MACIONCZYK CZESLAW;KORZENIEWSKI RYSZARD;WODECKI TADEUSZ;LEWANDOWSKI KAZIMIERZ
分类号
B29D;C08L;(IPC1-7):C08L/;B29D/
主分类号
B29D
代理机构
代理人
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