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发明名称
Improvements in or relating to welding systems
摘要
申请公布号
GB509171(A)
申请公布日期
1939.07.12
申请号
GB19380009976
申请日期
1938.04.01
申请人
PRESSED STEEL COMPANY LIMITED;ALGERNON EDWARD BERRIMAN
发明人
分类号
B23K11/31
主分类号
B23K11/31
代理机构
代理人
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