Cement additives containing polyvinylpyrrolidone and a condensate of sodium naphthalene sulfonate with formaldehyde,申请号US19630304669-传众专利搜索

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发明名称	Cement additives containing polyvinylpyrrolidone and a condensate of sodium naphthalene sulfonate with formaldehyde
摘要
申请公布号	US3359225(A)	申请公布日期	1967.12.19
申请号	US19630304669	申请日期	1963.08.26
申请人	WEISEND CHARLES F	发明人	WEISEND CHARLES F.
分类号	C04B28/04	主分类号	C04B28/04
代理机构		代理人
主权项
地址

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