Production of paper board units,申请号US19410419112-传众专利搜索

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发明名称	Production of paper board units
摘要
申请公布号	US2309728(A)	申请公布日期	1943.02.02
申请号	US19410419112	申请日期	1941.11.14
申请人	SAMUEL M. LANGSTON CO.	发明人	GOETTSCH WALTER J.
分类号	B26D5/22;B26D9/00	主分类号	B26D5/22
代理机构		代理人
主权项
地址

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