EXPLOSIVE CHARGE FOR BREAKING ICE-JAMS AND ICE-COVERS ON RIVERS,申请号PL19820238259-传众专利搜索

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发明名称	EXPLOSIVE CHARGE FOR BREAKING ICE-JAMS AND ICE-COVERS ON RIVERS
摘要
申请公布号	PL140235(B1)	申请公布日期	1987.04.30
申请号	PL19820238259	申请日期	1982.09.15
申请人		发明人
分类号	F42B;F42B1/00;F42D1/00;(IPC1-7):F42D1/00	主分类号	F42B
代理机构		代理人
主权项
地址

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