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经营范围
发明名称
WORKING METHOD FOR EDGE PORTION OF METAL
摘要
申请公布号
JPS53149151(A)
申请公布日期
1978.12.26
申请号
JP19770063333
申请日期
1977.06.01
申请人
HITACHI LTD
发明人
TAKAHASHI ICHIROU
分类号
B23K31/00;B23K9/00
主分类号
B23K31/00
代理机构
代理人
主权项
地址
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