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发明名称
NEW PROCESS FOR PRODUCING CALCIUM SULPHIDE AND CALCIUM POLYSULPHIDE
摘要
申请公布号
HU907069(D0)
申请公布日期
1991.05.28
申请号
HU19900007069
申请日期
1990.11.09
申请人
ILLES,GYOERGYNE,HU
发明人
ILLES,GYOERGYNE,HU
分类号
C01B17/43
主分类号
C01B17/43
代理机构
代理人
主权项
地址
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