Slotting and scoring mechanism,申请号US19300494842-传众专利搜索

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发明名称	Slotting and scoring mechanism
摘要
申请公布号	US1859877(A)	申请公布日期	1932.05.24
申请号	US19300494842	申请日期	1930.11.11
申请人	SAMUEL M. LANGSTON CO.	发明人	LANGSTON SAMUEL M.;CLEAVER WILLIAM H.
分类号	B31B1/22	主分类号	B31B1/22
代理机构		代理人
主权项
地址

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