,申请号GB19300009419-传众专利搜索

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发明名称
摘要
申请公布号	GB342591(A)	申请公布日期	1931.02.05
申请号	GB19300009419	申请日期	1930.03.24
申请人	"L'HELICE METALLIQUE", BREVETS PAULHAN-PILLARD	发明人
分类号	B21D53/78;C23C8/00	主分类号	B21D53/78
代理机构		代理人
主权项
地址

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