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发明名称
An improved mould for and method of making hollow castings
摘要
申请公布号
GB725995(A)
申请公布日期
1955.03.16
申请号
GB19530009408
申请日期
1953.04.07
申请人
GUSZSTAHLWERK BOCHUMER VEREIN AKTIENGESELLSCHAFT
发明人
分类号
B22D15/00
主分类号
B22D15/00
代理机构
代理人
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地址
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