Modular concrete form,申请号US19890370757-传众专利搜索

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发明名称	Modular concrete form
摘要
申请公布号	US4957272(A)	申请公布日期	1990.09.18
申请号	US19890370757	申请日期	1989.06.23
申请人	LEE, YUAN-HO	发明人	LEE, YUAN-HO
分类号	E04G11/00;E04G11/12;E04G17/14	主分类号	E04G11/00
代理机构		代理人
主权项
地址

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