Water resistant composition material and method of making same,申请号US19390301471-传众专利搜索

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发明名称	Water resistant composition material and method of making same
摘要
申请公布号	US2316998(A)	申请公布日期	1943.04.20
申请号	US19390301471	申请日期	1939.10.26
申请人	PROCESS HOLDINGS COMPANY	发明人	SMITH NATHANIEL L.
分类号	C04B26/28	主分类号	C04B26/28
代理机构		代理人
主权项
地址

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