Polyvinyl acetal compositions,申请号US19420470484-传众专利搜索

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发明名称	Polyvinyl acetal compositions
摘要
申请公布号	US2432471(A)	申请公布日期	1947.12.09
申请号	US19420470484	申请日期	1942.12.29
申请人	WINGFOOT CORPORATION	发明人	COX FRED W.
分类号	C08K5/31	主分类号	C08K5/31
代理机构		代理人
主权项
地址

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