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发明名称
Metal joining by connection element
摘要
<p>The parts have inwardly widening recesses in their ends which when placed together create a cavity into which metal can be cast. On cooling, the cast metal contracts to pull the abutting parts closely together.</p>
申请公布号
DE1811010(A1)
申请公布日期
1970.05.21
申请号
DE19681811010
申请日期
1968.11.26
申请人
GRUETER,LUDWIG
发明人
GRUETER,LUDWIG
分类号
B21D39/03;B22D19/04;F16B3/00
主分类号
B21D39/03
代理机构
代理人
主权项
地址
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