Line-space control mechanism for flat platen typewriter or the like,申请号US19530356494-传众专利搜索

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发明名称	Line-space control mechanism for flat platen typewriter or the like
摘要
申请公布号	US2770344(A)	申请公布日期	1956.11.13
申请号	US19530356494	申请日期	1953.05.21
申请人	UNDERWOOD CORPORATION	发明人	SUNDSTRAND OSCAR J.;SWANSON OSCAR W.
分类号	B41J19/76	主分类号	B41J19/76
代理机构		代理人
主权项
地址

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