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经营范围
发明名称
METHOD OF WELDING AUSTENITE STAINLESS STEEL PIPE
摘要
申请公布号
JPS5371646(A)
申请公布日期
1978.06.26
申请号
JP19760146461
申请日期
1976.12.08
申请人
HITACHI LTD
发明人
MASAOKA ISAO;IMAI KATSUYUKI
分类号
B23K31/00;B23K9/02;B23K9/23;B23K37/00
主分类号
B23K31/00
代理机构
代理人
主权项
地址
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