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发明名称
Способ приготовления асбестоцементного шифера
摘要
申请公布号
SU27870(A1)
申请公布日期
1932.09.30
申请号
SU19290045732
申请日期
1929.06.22
申请人
SMIRNOV M.N.
发明人
SMIRNOV M.N.
分类号
B28B1/52;C04B28/02
主分类号
B28B1/52
代理机构
代理人
主权项
地址
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