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发明名称
Light-weight fiber containing product
摘要
申请公布号
US2451446(A)
申请公布日期
1948.10.12
申请号
US19430501429
申请日期
1943.09.06
申请人
UNITED STATES GYPSUM COMPANY
发明人
PARSONS JOSEPH R.
分类号
C04B28/14
主分类号
C04B28/14
代理机构
代理人
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