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发明名称
EXPLOSIONSSTOPFEN ZUM VERSCHLIESSEN DER ENDEN VON METALLROHREN
摘要
申请公布号
DE1750693(B2)
申请公布日期
1972.05.04
申请号
DE19681750693
申请日期
1968.05.25
申请人
发明人
分类号
B21D39/06;B23K20/08;F28F11/02;(IPC1-7):16J13/00
主分类号
B21D39/06
代理机构
代理人
主权项
地址
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