METHOD OF MAKING PRECAST POROUS CONCRETE UNITS,申请号PL19870267192-传众专利搜索

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发明名称	METHOD OF MAKING PRECAST POROUS CONCRETE UNITS
摘要
申请公布号	PL267192(A2)	申请公布日期	1988.07.07
申请号	PL19870267192	申请日期	1987.08.04
申请人		发明人
分类号	B28B;(IPC1-7):B28B/	主分类号	B28B
代理机构		代理人
主权项
地址

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