Machine for making bed springs,申请号US19480056635-传众专利搜索

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发明名称	Machine for making bed springs
摘要
申请公布号	US2663038(A)	申请公布日期	1953.12.22
申请号	US19480056635	申请日期	1948.10.26
申请人	SPRING MACHINERY COMPANY	发明人	GAIL CHARLES H.
分类号	B21F33/04	主分类号	B21F33/04
代理机构		代理人
主权项
地址

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