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发明名称
WELDING METHOD FOR ELECTRON BEAM OF HIGH CARBON STEEL MATERIAL
摘要
申请公布号
JPS53120647(A)
申请公布日期
1978.10.21
申请号
JP19770035354
申请日期
1977.03.31
申请人
HITACHI LTD
发明人
OKAMURA HISANOBU;SHIDA TOMOHIKO;MIDORIKAWA MASAKAZU
分类号
B23K15/00
主分类号
B23K15/00
代理机构
代理人
主权项
地址
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