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经营范围
发明名称
UNDERWATER ARC TORCH
摘要
申请公布号
AU500245(B2)
申请公布日期
1979.05.17
申请号
AU19770022432
申请日期
1977.02.18
申请人
AIR PRODUCTS AND CHEMICALS, INC.
发明人
H.J. TRABBOLD;J.R. HUMMEL
分类号
B23K9/29;B23K9/00;B23K9/013;B23K9/28;(IPC1-7):B23K9/00
主分类号
B23K9/29
代理机构
代理人
主权项
地址
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