Method, apparatus and product for manufacturing separable stairs,申请号US19560574651-传众专利搜索

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法人/股东/高管

发明名称	Method, apparatus and product for manufacturing separable stairs
摘要
申请公布号	US2939309(A)	申请公布日期	1960.06.07
申请号	US19560574651	申请日期	1956.03.29
申请人	SANITARY PLASTICS, INC.	发明人	SITTON PHILIP N.
分类号	E04F11/022	主分类号	E04F11/022
代理机构		代理人
主权项
地址

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