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发明名称
PRODUCTION OF VIBRATION CONTROL STEEL PLATE
摘要
申请公布号
JPH02197384(A)
申请公布日期
1990.08.03
申请号
JP19890015537
申请日期
1989.01.25
申请人
SUMITOMO METAL IND LTD
发明人
KO TAKAO
分类号
B21B1/38;B23K20/04;B32B15/01
主分类号
B21B1/38
代理机构
代理人
主权项
地址
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