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发明名称
GYPSUM PLASTER
摘要
Industrial gypsum plaster (plaster of Paris) having a delayed setting time is prepared by including D,L-tartaric acid and sufficient calcium hydroxide that a 5 weight % aqueous suspension of the plaster has a pH of at least 11.5.
申请公布号
ZA7605743(B)
申请公布日期
1977.08.31
申请号
ZA19760005743
申请日期
1976.09.24
申请人
DEGUSSA
发明人
LEIDL P;KNORRE H;LANGER M
分类号
C04B24/06;C04B28/14
主分类号
C04B24/06
代理机构
代理人
主权项
地址
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