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发明名称
IMPROVING METHOD FOR LOW TEMPERATURE TOUGHNESS OF WELD BOND PORTION
摘要
申请公布号
JPS5428244(A)
申请公布日期
1979.03.02
申请号
JP19770090352
申请日期
1977.07.29
申请人
HITACHI LTD
发明人
ISHIMARU YASUO;KOBAYASHI HIROSHI;TAMURA JIYUNJI
分类号
B23K31/00;B23K9/00
主分类号
B23K31/00
代理机构
代理人
主权项
地址
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