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发明名称
MOBILE TYPE BACKING DEVICE FOR WELDING
摘要
申请公布号
JPS55158898(A)
申请公布日期
1980.12.10
申请号
JP19790066850
申请日期
1979.05.31
申请人
NIPPON KOKAN KK
发明人
NOMURA HIROICHI;TOUNOU KATSUMI
分类号
B23K37/06;B23K9/02
主分类号
B23K37/06
代理机构
代理人
主权项
地址
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