CORE PIECE FOR FORMING INSTALLATION HOLES IN COMPRESSION MOULDED PRECAST WALL UNITS,申请号PL19780211940-传众专利搜索

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发明名称	CORE PIECE FOR FORMING INSTALLATION HOLES IN COMPRESSION MOULDED PRECAST WALL UNITS
摘要
申请公布号	PL122349(B1)	申请公布日期	1982.07.31
申请号	PL19780211940	申请日期	1978.12.19
申请人		发明人
分类号	B28B;B28B21/86;(IPC1-7):B28B21/86	主分类号	B28B
代理机构		代理人
主权项
地址

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