Mixing torpedo for plastics extruders,申请号US19450637274-传众专利搜索

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发明名称	Mixing torpedo for plastics extruders
摘要
申请公布号	US2453088(A)	申请公布日期	1948.11.02
申请号	US19450637274	申请日期	1945.12.26
申请人	THE DOW CHEMICAL COMPANY	发明人	DULMAGE FREDERICK E.
分类号	B29C47/64	主分类号	B29C47/64
代理机构		代理人
主权项
地址

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