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发明名称
AUTOMATIC WELDING DEVICE FOR JOINTING CONCRETE PILE SECTIONS WITH STEEL END PLATES
摘要
申请公布号
US3515843(A)
申请公布日期
1970.06.02
申请号
USD3515843
申请日期
1968.10.09
申请人
NIPPON CONCRETE KOGYO KK.
发明人
HISASHI ARIVASU;CHISATO OKADA;YASUSHI ISHIHARA;KENZO MOMOTA;MUTSUO YOSHIKAWA;KOJI NUNOKAWA
分类号
B23K9/028;(IPC1-7):B23K9/12
主分类号
B23K9/028
代理机构
代理人
主权项
地址
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