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发明名称
摘要
申请公布号
BE708302(A)
申请公布日期
1968.06.20
申请号
BED708302
申请日期
1967.12.20
申请人
发明人
分类号
B21B45/00;B41N3/03;C23G5/00
主分类号
B21B45/00
代理机构
代理人
主权项
地址
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