Process and apparatus for making shaped cellular articles from expandable thermoplastic resins,申请号US19640414787-传众专利搜索

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发明名称	Process and apparatus for making shaped cellular articles from expandable thermoplastic resins
摘要
申请公布号	US3331899(A)	申请公布日期	1967.07.18
申请号	US19640414787	申请日期	1964.11.30
申请人	KOPPERS COMPANY, INC.	发明人	IMMEL RICHARD H.
分类号	B29C44/34;C08J9/14	主分类号	B29C44/34
代理机构		代理人
主权项
地址

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