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发明名称
Loetvorrichtung fuer aus zwei symmetrischen Pressteilen zusammengesetzte Hohlkoerper
摘要
申请公布号
DE493636(C)
申请公布日期
1930.03.13
申请号
DE1928S087202D
申请日期
1928.08.28
申请人
ALFRED SPEIDEL
发明人
分类号
B23K3/08
主分类号
B23K3/08
代理机构
代理人
主权项
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