HYDROPHOBIC AGENT FOR PROTECTION AGAINST FREEZING AND FREEZING THE COAL TO RAILWAY WAGON WALLS,申请号PL19810231072-传众专利搜索

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发明名称	HYDROPHOBIC AGENT FOR PROTECTION AGAINST FREEZING AND FREEZING THE COAL TO RAILWAY WAGON WALLS
摘要
申请公布号	PL132879(B1)	申请公布日期	1985.04.30
申请号	PL19810231072	申请日期	1981.05.08
申请人		发明人
分类号	C09K;C09K3/18;(IPC1-7):C09K3/18	主分类号	C09K
代理机构		代理人
主权项
地址

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