Protection des soudures par la flamme du gaz d'éclairage,申请号FRD700301-传众专利搜索

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发明名称	Protection des soudures par la flamme du gaz d'éclairage
摘要
申请公布号	FR700301(A)	申请公布日期	1931.02.27
申请号	FRD700301	申请日期	1930.07.12
申请人		发明人	SARAZIN ROBERT
分类号	B23K28/02	主分类号	B23K28/02
代理机构		代理人
主权项
地址

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