Method of heat sealing laminated materials,申请号US19430494423-传众专利搜索

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发明名称	Method of heat sealing laminated materials
摘要
申请公布号	US2431050(A)	申请公布日期	1947.11.18
申请号	US19430494423	申请日期	1943.07.12
申请人	KOPPLIN KARL J	发明人	KOPPLIN KARL J.
分类号	B32B27/00	主分类号	B32B27/00
代理机构		代理人
主权项
地址

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