Improvements in or relating to the making of stay bolts,申请号GB19310028303-传众专利搜索

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发明名称	Improvements in or relating to the making of stay bolts
摘要
申请公布号	GB390854(A)	申请公布日期	1933.04.12
申请号	GB19310028303	申请日期	1931.10.12
申请人	ALLGEMEINE ELEKTRICITAETSGESELLSCHAFT	发明人
分类号	B21K1/44	主分类号	B21K1/44
代理机构		代理人
主权项
地址

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