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发明名称
PATTERN-MAKING MATERIAL MASA MODELARSKA
摘要
申请公布号
PL107922(B1)
申请公布日期
1980.03.31
申请号
PL19770197026
申请日期
1977.03.28
申请人
发明人
分类号
B22C;B22C1/18;B22C1/22;(IPC1-7):B22C1/22
主分类号
B22C
代理机构
代理人
主权项
地址
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