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发明名称
Приспособление к форме для изготовления бетонных и тому подобных труб центробежным способом
摘要
申请公布号
SU50564(A1)
申请公布日期
1936.11.30
申请号
SU19350192239
申请日期
1935.04.20
申请人
ABRAMOV N.A.
发明人
ABRAMOV N.A.
分类号
B28B21/80
主分类号
B28B21/80
代理机构
代理人
主权项
地址
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