Mastic floor topping,申请号US19320609501-传众专利搜索

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发明名称	Mastic floor topping
摘要
申请公布号	US2031171(A)	申请公布日期	1936.02.18
申请号	US19320609501	申请日期	1932.05.05
申请人	UNITED STATES GYPSUM COMPANY	发明人	LINZELL HARRY K.
分类号	C04B28/16	主分类号	C04B28/16
代理机构		代理人
主权项
地址

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