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发明名称
摘要
申请公布号
JPH0138569(B2)
申请公布日期
1989.08.15
申请号
JP19800167734
申请日期
1980.11.28
申请人
TANAKA PRECIOUS METAL IND
发明人
KITSUTA MASAMI;SAKIHARA AKIO
分类号
B21D28/00;B21D28/24;D01D4/02
主分类号
B21D28/00
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代理人
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