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发明名称
GASEOUS ENVELOPE PRODUCING POWDER WELDING WIRE FOR SURFACING OR BUILDING UPRKI
摘要
申请公布号
PL118445(B1)
申请公布日期
1981.10.31
申请号
PL19780209956
申请日期
1978.09.28
申请人
发明人
分类号
B23K;B23K35/22;(IPC1-7):B23K35/22
主分类号
B23K
代理机构
代理人
主权项
地址
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