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发明名称
摘要
申请公布号
FR2209620(B1)
申请公布日期
1977.08.12
申请号
FR19730044136
申请日期
1973.12.11
申请人
TENNECO INC
发明人
分类号
B23K13/02;B21C37/08;B23K11/087;B23K11/16;B23K13/00;B23K13/04;(IPC1-7):B21C37/08;B23K31/06
主分类号
B23K13/02
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