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发明名称
Improvements in or relating to cores for forming apertures in moulded bodies
摘要
申请公布号
GB757553(A)
申请公布日期
1956.09.19
申请号
GB19540011220
申请日期
1954.04.15
申请人
VIGGO MOTH LONBLAD
发明人
分类号
B28B7/30
主分类号
B28B7/30
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代理人
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