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经营范围
发明名称
FRICTION WELDING
摘要
申请公布号
US3473214(A)
申请公布日期
1969.10.21
申请号
USD3473214
申请日期
1963.07.10
申请人
CATERPILLAR TRACTOR CO.
发明人
MILTON BERNARD HOLLANDER
分类号
B23K20/12;(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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