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经营范围
发明名称
STEEL PIPE WELDING DEVICE
摘要
申请公布号
JPS53125956(A)
申请公布日期
1978.11.02
申请号
JP19770041157
申请日期
1977.04.11
申请人
NIPPON ELECTRON OPTICS LAB
发明人
FUKAMACHI SEIICHI
分类号
B21C37/08;B23K9/025
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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