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发明名称
Способ холодной проковки точечных сварных соединений
摘要
申请公布号
SU85727(A1)
申请公布日期
1949.11.30
申请号
SU19490390111
申请日期
1949.01.12
申请人
PROKHOROV N.N.
发明人
PROKHOROV N.N.
分类号
B23K11/10;B23K20/00
主分类号
B23K11/10
代理机构
代理人
主权项
地址
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