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发明名称
FIL D'APPORT DESTINE AU SOUDAGE D'UN ACIER UTILISABLE A DE BASSES TEMPERATURES
摘要
申请公布号
BE771268(A1)
申请公布日期
1971.12.16
申请号
BE19710771268
申请日期
1971.08.13
申请人
HITACHI SHIPBUILDING AND ENGINEERING CO. LTD, NO 47, EDOBORI, 1-CHOME, NISHI-KU, A OSAKA (JAPON),
发明人
分类号
B23K35/30;C22C19/05;(IPC1-7):B23K/;C22C/
主分类号
B23K35/30
代理机构
代理人
主权项
地址
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