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发明名称
Acoustical plaster and method of making
摘要
申请公布号
US2485259(A)
申请公布日期
1949.10.18
申请号
US19460713081
申请日期
1946.11.29
申请人
NATIONAL GYPSUM COMPANY
发明人
CHRISLER WILLARD L.
分类号
C04B24/38
主分类号
C04B24/38
代理机构
代理人
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地址
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