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发明名称
Способ изготовления термоизоляционного материала из стеклянной ваты
摘要
申请公布号
SU57443(A1)
申请公布日期
1939.11.30
申请号
SU19390027120
申请日期
1939.10.09
申请人
BOGDANOV N.P.
发明人
BOGDANOV N.P.
分类号
B28B1/52
主分类号
B28B1/52
代理机构
代理人
主权项
地址
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