Method of preparing polyvinyl acetal ketal resins,申请号US19430474180-传众专利搜索

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发明名称	Method of preparing polyvinyl acetal ketal resins
摘要
申请公布号	US2447773(A)	申请公布日期	1948.08.24
申请号	US19430474180	申请日期	1943.01.30
申请人	LIBBEY-OWENS-FORD GLASS COMPANY	发明人	RYAN JOSEPH D.;SHAW FRED B.
分类号	C08F8/28	主分类号	C08F8/28
代理机构		代理人
主权项
地址

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