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发明名称
Light colored roofing granules
摘要
Roofing granules coated with insolubilized reaction product of a coating composition comprising water, kaolin clay, sodium silicate, titanium dioxide and ammonium nitrate or nitrate of one or more group 1A metals.
申请公布号
US4359505(A)
申请公布日期
1982.11.16
申请号
US19810233343
申请日期
1981.02.11
申请人
GAF CORPORATION
发明人
JOEDICKE, INGO B.
分类号
C04B20/10;E04D7/00;(IPC1-7):B32B19/04
主分类号
C04B20/10
代理机构
代理人
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