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发明名称
Gypsum-rubber composition
摘要
申请公布号
US1880601(A)
申请公布日期
1932.10.04
申请号
US19310540217
申请日期
1931.05.26
申请人
UNTIEDT FREDERICK H
发明人
UNTIEDT FREDERICK H.
分类号
C04B28/14
主分类号
C04B28/14
代理机构
代理人
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地址
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