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发明名称
Gypsum product
摘要
申请公布号
US3328121(A)
申请公布日期
1967.06.27
申请号
US19630334622
申请日期
1963.12.30
申请人
NATIONAL GYPSUM COMPANY
发明人
JR. JOHN D. SHULL,
分类号
C04B11/00
主分类号
C04B11/00
代理机构
代理人
主权项
地址
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