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发明名称
Art of manufacturing cement-fibrous products
摘要
申请公布号
US2156308(A)
申请公布日期
1939.05.02
申请号
US19350003578
申请日期
1935.01.26
申请人
BAKELITE BUILDING PRODUCTS CO., INC.
发明人
SCHUH CHARLES H.
分类号
B28B1/52;B28B3/12
主分类号
B28B1/52
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代理人
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