Method of making rubber sponge,申请号US19310542697-传众专利搜索

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发明名称	Method of making rubber sponge
摘要
申请公布号	US1951618(A)	申请公布日期	1934.03.20
申请号	US19310542697	申请日期	1931.06.06
申请人	HERBERT LINDEMANN	发明人	LINDEMANN HERBERT
分类号	C08J9/12;C08L21/00	主分类号	C08J9/12
代理机构		代理人
主权项
地址

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