Counting hand stamp,申请号US19400361234-传众专利搜索

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发明名称	Counting hand stamp
摘要
申请公布号	US2283130(A)	申请公布日期	1942.05.12
申请号	US19400361234	申请日期	1940.10.15
申请人	THE DUPLEX ENVELOPE COMPANY, INC.	发明人	SADLER JOHN EDWARD
分类号	B41K1/02;B41K1/36;G06M1/04	主分类号	B41K1/02
代理机构		代理人
主权项
地址

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