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发明名称
(B2) ;CORE SAND
摘要
申请公布号
PL224685(A2)
申请公布日期
1981.05.08
申请号
PL19800224685
申请日期
1980.05.31
申请人
INST ODLEWNICTWA
发明人
DEBSKI MIECZYSLAW;JARECKI WLODZIMIERZ;TROJAN ANDRZEJ;WIECHCZYNSKI KRZYSZTOF;WIEKLUK HALINA;WERTZ ZDZISLAW
分类号
B22C;B22C1/22;(IPC1-7):B22C/
主分类号
B22C
代理机构
代理人
主权项
地址
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