Attachment for paper bag making machines,申请号US19290331660-传众专利搜索

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发明名称	Attachment for paper bag making machines
摘要
申请公布号	US1982697(A)	申请公布日期	1934.12.04
申请号	US19290331660	申请日期	1929.01.10
申请人	ROYAL THOMAS M	发明人	ROYAL THOMAS M.
分类号	B31B1/74;B31B19/62	主分类号	B31B1/74
代理机构		代理人
主权项
地址

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