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发明名称
APPARATUS FOR FRICTION WELDING
摘要
申请公布号
US3612386(A)
申请公布日期
1971.10.12
申请号
USD3612386
申请日期
1969.08.22
申请人
JOHN THOMPSON LTD.
发明人
JOHN GIBSON;ALAN WOODALL
分类号
B23K20/12;B23Q3/06;(IPC1-7):B23K27/00
主分类号
B23K20/12
代理机构
代理人
主权项
地址
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