Improvements in or relating to gas welding,申请号GB19390017556-传众专利搜索

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发明名称	Improvements in or relating to gas welding
摘要
申请公布号	GB528620(A)	申请公布日期	1940.11.01
申请号	GB19390017556	申请日期	1939.06.15
申请人	SVENSKA AKTIEBOLAGET GASACCUMULATOR	发明人
分类号	B23K5/00	主分类号	B23K5/00
代理机构		代理人
主权项
地址

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