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发明名称
METHOD OF AND APPARATUS FOR USE IN PREPARING FOUNDRY SAND
摘要
申请公布号
ZA7103097(B)
申请公布日期
1972.01.26
申请号
ZA19710003097
申请日期
1971.05.12
申请人
LEDERER W
发明人
LEDERER W
分类号
B22C
主分类号
B22C
代理机构
代理人
主权项
地址
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