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发明名称
COAGULATING POWDER FOR PREVENTION AND CONTROL OF DESERT
摘要
申请公布号
HK1048731(A2)
申请公布日期
2003.03.28
申请号
HK20020101067
申请日期
2002.02.11
申请人
YEUNG, KAU SAM
发明人
YEUNG, KAU SAM
分类号
C09K17/32;C09K17/34;(IPC1-7):C08L
主分类号
C09K17/32
代理机构
代理人
主权项
地址
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