FLEXIBLE,ROLLABLE CHALKBOARD SURFACES,申请号USD3497969-传众专利搜索

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法人/股东/高管

发明名称	FLEXIBLE,ROLLABLE CHALKBOARD SURFACES
摘要
申请公布号	US3497969(A)	申请公布日期	1970.03.03
申请号	USD3497969	申请日期	1967.12.06
申请人	EDWARD J. SCHWOEGLER	发明人	EDWARD J. SCHWOEGLER
分类号	B43L1/08;(IPC1-7):B43L1/08	主分类号	B43L1/08
代理机构		代理人
主权项
地址

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