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发明名称
APPARATUS FOR GAS ARC WELDING
摘要
申请公布号
US3617681(A)
申请公布日期
1971.11.02
申请号
USD3617681
申请日期
1969.05.13
申请人
C & W CONTROL CO.
发明人
WARREN F. DYSON
分类号
B23K9/32;(IPC1-7):B23K9/10
主分类号
B23K9/32
代理机构
代理人
主权项
地址
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