HELIX MAKING APPARATUS,申请号CAD387522-传众专利搜索

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发明名称	HELIX MAKING APPARATUS
摘要
申请公布号	CA387522(A)	申请公布日期	1940.03.19
申请号	CAD387522	申请日期
申请人	DIAMOND EXPANSION BOLT COMPANY	发明人	JOHN KARITZKY
分类号		主分类号
代理机构		代理人
主权项
地址

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