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发明名称
Способ холодной электродуговой сварки ковкого чугуна
摘要
申请公布号
SU84755(A1)
申请公布日期
1949.11.30
申请号
SU19490393758
申请日期
1949.03.18
申请人
MUMRIKOV P.V.
发明人
MUMRIKOV P.V.
分类号
B23K9/23;B23K35/22
主分类号
B23K9/23
代理机构
代理人
主权项
地址
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