Bottom expander for paper cups,申请号US19590828271-传众专利搜索

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发明名称	Bottom expander for paper cups
摘要
申请公布号	US2942531(A)	申请公布日期	1960.06.28
申请号	US19590828271	申请日期	1959.07.20
申请人	PAPER MACHINERY CORPORATION	发明人	LOESER DONALD B.;BODENDOERFER RAYMOND E.
分类号	B31B17/00	主分类号	B31B17/00
代理机构		代理人
主权项
地址

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